CA2144967C - Non-acidic cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents - Google Patents
Non-acidic cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents Download PDFInfo
- Publication number
- CA2144967C CA2144967C CA002144967A CA2144967A CA2144967C CA 2144967 C CA2144967 C CA 2144967C CA 002144967 A CA002144967 A CA 002144967A CA 2144967 A CA2144967 A CA 2144967A CA 2144967 C CA2144967 C CA 2144967C
- Authority
- CA
- Canada
- Prior art keywords
- alpha
- cis
- cyclopentane
- beta
- hydroxy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003814 drug Substances 0.000 title claims description 12
- PRLVHZDMICRVJF-UHFFFAOYSA-N cyclopentane;heptanoic acid Chemical compound C1CCCC1.CCCCCCC(O)=O PRLVHZDMICRVJF-UHFFFAOYSA-N 0.000 title abstract description 15
- 125000003710 aryl alkyl group Chemical group 0.000 title abstract description 11
- 229940124597 therapeutic agent Drugs 0.000 title description 4
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims abstract description 122
- 150000001875 compounds Chemical class 0.000 claims abstract description 92
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 claims abstract description 67
- -1 nitro, amino Chemical group 0.000 claims abstract description 47
- 208000010412 Glaucoma Diseases 0.000 claims abstract description 20
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 12
- 150000003573 thiols Chemical class 0.000 claims abstract description 7
- 208000018522 Gastrointestinal disease Diseases 0.000 claims abstract description 6
- 125000003368 amide group Chemical group 0.000 claims abstract description 6
- 230000035939 shock Effects 0.000 claims abstract description 6
- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 claims abstract description 5
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract description 5
- 150000002923 oximes Chemical class 0.000 claims abstract description 5
- 208000019693 Lung disease Diseases 0.000 claims abstract description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 12
- 239000008194 pharmaceutical composition Substances 0.000 claims description 11
- 150000003254 radicals Chemical group 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 206010030043 Ocular hypertension Diseases 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 125000005843 halogen group Chemical group 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 125000005157 alkyl carboxy group Chemical group 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 125000001072 heteroaryl group Chemical group 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 208000026935 allergic disease Diseases 0.000 claims description 4
- 150000005840 aryl radicals Chemical class 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
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- 125000002015 acyclic group Chemical group 0.000 claims description 3
- 125000004043 oxo group Chemical group O=* 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 claims 4
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- 230000000241 respiratory effect Effects 0.000 claims 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical group [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 claims 1
- 125000001246 bromo group Chemical group Br* 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical group [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 claims 1
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- 208000021822 hypotensive Diseases 0.000 abstract description 4
- 239000000050 smooth muscle relaxant Substances 0.000 abstract description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract description 3
- 206010021639 Incontinence Diseases 0.000 abstract description 2
- 208000010643 digestive system disease Diseases 0.000 abstract description 2
- 230000035558 fertility Effects 0.000 abstract description 2
- 208000018685 gastrointestinal system disease Diseases 0.000 abstract description 2
- 230000009885 systemic effect Effects 0.000 abstract description 2
- 125000000101 thioether group Chemical group 0.000 abstract description 2
- 125000001475 halogen functional group Chemical group 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 64
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
- 235000019439 ethyl acetate Nutrition 0.000 description 29
- 239000000243 solution Substances 0.000 description 27
- 150000003180 prostaglandins Chemical class 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 210000004027 cell Anatomy 0.000 description 14
- PXGPLTODNUVGFL-BRIYLRKRSA-N (E,Z)-(1R,2R,3R,5S)-7-(3,5-Dihydroxy-2-((3S)-(3-hydroxy-1-octenyl))cyclopentyl)-5-heptenoic acid Chemical compound CCCCC[C@H](O)C=C[C@H]1[C@H](O)C[C@H](O)[C@@H]1CC=CCCCC(O)=O PXGPLTODNUVGFL-BRIYLRKRSA-N 0.000 description 13
- 229940094443 oxytocics prostaglandins Drugs 0.000 description 13
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 125000001424 substituent group Chemical group 0.000 description 12
- 239000010410 layer Substances 0.000 description 11
- 239000012044 organic layer Substances 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 11
- 239000000872 buffer Substances 0.000 description 10
- 235000002639 sodium chloride Nutrition 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- 239000012267 brine Substances 0.000 description 9
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 8
- 239000003981 vehicle Substances 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 229940093499 ethyl acetate Drugs 0.000 description 6
- 230000004410 intraocular pressure Effects 0.000 description 6
- 150000004702 methyl esters Chemical class 0.000 description 6
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 5
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- XEYBRNLFEZDVAW-ARSRFYASSA-N dinoprostone Chemical compound CCCCC[C@H](O)\C=C\[C@H]1[C@H](O)CC(=O)[C@@H]1C\C=C/CCCC(O)=O XEYBRNLFEZDVAW-ARSRFYASSA-N 0.000 description 4
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- 238000003818 flash chromatography Methods 0.000 description 4
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- XEYBRNLFEZDVAW-UHFFFAOYSA-N prostaglandin E2 Natural products CCCCCC(O)C=CC1C(O)CC(=O)C1CC=CCCCC(O)=O XEYBRNLFEZDVAW-UHFFFAOYSA-N 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- FPGGTKZVZWFYPV-UHFFFAOYSA-M tetrabutylammonium fluoride Chemical compound [F-].CCCC[N+](CCCC)(CCCC)CCCC FPGGTKZVZWFYPV-UHFFFAOYSA-M 0.000 description 4
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 4
- 201000002862 Angle-Closure Glaucoma Diseases 0.000 description 3
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- HYHRQSRVNNJKDC-UHFFFAOYSA-N cyclopentane;hept-2-enoic acid Chemical compound C1CCCC1.CCCCC=CC(O)=O HYHRQSRVNNJKDC-UHFFFAOYSA-N 0.000 description 3
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P9/00—Drugs for disorders of the cardiovascular system
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A61P9/12—Antihypertensives
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- C07—ORGANIC CHEMISTRY
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- C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
- C07C215/42—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having amino groups or hydroxy groups bound to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
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- C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
- C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C235/32—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
- C07C235/34—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
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- C07C247/08—Compounds containing azido groups with azido groups bound to acyclic carbon atoms of a carbon skeleton being unsaturated
- C07C247/10—Compounds containing azido groups with azido groups bound to acyclic carbon atoms of a carbon skeleton being unsaturated and containing rings
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- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/36—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by hydroxy groups
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- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
Abstract
The present invention provides for compounds of Formula I
substituted in the 1-position with halo, methyl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, either or thioether groups, e.g., a 1-OH cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives. The cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of the present invention are potent ocular hypotensives, and are particularly suitable for the management of glaucoma.
Moreover, the cyclopentane heptanoic, 2-(cycloalkyl or arylalkyl) derivatives of this invention are smooth muscle relaxants with broad application in systemic hypertensive and pulmonary diseases; smooth muscle relaxants with application in gastrointestinal disease, reproduction, fertility, incontinence, shock, etc.
substituted in the 1-position with halo, methyl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, either or thioether groups, e.g., a 1-OH cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives. The cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of the present invention are potent ocular hypotensives, and are particularly suitable for the management of glaucoma.
Moreover, the cyclopentane heptanoic, 2-(cycloalkyl or arylalkyl) derivatives of this invention are smooth muscle relaxants with broad application in systemic hypertensive and pulmonary diseases; smooth muscle relaxants with application in gastrointestinal disease, reproduction, fertility, incontinence, shock, etc.
Description
' -1-NON-ACIDIC CYCLOPENTANE HEPTANOIC ACID, AS THERAPEUTIC AGENTS
Field of the Invention The present invention relates to cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives, substituted in the 1-position with halo, hydryl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, ether or thioether groups, e.g., 1-OH cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives. The cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of the present invention are potent ocular hypotensives, and are particularly suitable for the management of glaucoma.
Moreover, the cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of this invention are smooth muscle relaxants with broad application in systemic hypertensive and pulmonary diseases; smooth muscle relaxants with 2 0 application in gastrointestinal disease, reproduction, fertility, incontinence, shock, etc.
Background of the Invention 2 5 Ocular hypotensive agents are useful in the treatment of a number of various ocular hypertensive conditions, such as post-surgical and post-laser trabeculectomy ocular hypertensive episodes, glaucoma, and as presurgical adjuncts.
Glaucoma is a disease of the eye characterized by increased intraocular pressure. On the basis of its etiology, glaucoma has been classified as primary or secondary. For example, primary glaucoma in adults (congenital glaucoma) may be either open-angle or acute or chronic angle-closure.
Secondary glaucoma results from pre-existing ocular diseases such as uveitis, intraocular tumor or an enlarged cataract.
The underlying causes of primary glaucoma are not yet known. The increased intraocular tension is due to the obstruction of aqueous humor outflow. In chronic open-angle glaucoma, the anterior chamber and its anatomic structures appear normal, but drainage of the aqueous humor is impeded. In acute or chronic angle-closure glaucoma, the anterior chamber is shallow, the filtration angle is narrowed, and the iris may obstruct the trabecular meshwork at the entrance of the canal of Schlemm. Dilation of the pupil may push the root of the iris forward against the angle, and may produce pupillary block and thus precipitate an acute attack. Eyes with narrow anterior chamber angles are predisposed to acute angle-closure glaucoma attacks of various degrees of severity.
Secondary glaucoma is caused by any interference with the flow of aqueous humor from the posterior chamber into the anterior chamber and subsequently, into the canal of Schlemm. Inflammatory disease of the anterior segment 2 5 may prevent aqueous escape by causing complete posterior synechia in iris bombe and may plug the drainage channel with exudates. Other common causes are intraocular tumors, enlarged cataracts, central retinal vein occlusion, trauma to the eye, operative procedures and intraocular 3 0 hemorrhage.
Considering all types together, glaucoma occurs in about 2% of all persons over the age of 40 and may be asymptotic for years before progressing to rapid loss of vision. In cases where surgery is not indicated, topical (3-adrenoreceptor antagonists have traditionally been the drugs of choice for treating glaucoma.
Prostaglandins were earlier regarded as potent ocular hypertensives; however, evidence accumulated in the last two decades shows that some prostaglandins are highly effective ocular hypotensive agents and are ideally suited for the long-term medical management of glaucoma. (See, for example, Starr, M.S., Exp. Eye Res., 1971, 11, P.P. 170-177; Bito, L. Z. Biological Protection with Prostaglandins Cohen, M. M., ed., Boca Raton, Fla, CRC Press Inc., 1985, pp.
231-252; and Bito, L. Z., Applied Pharmacology in the Medical Treatment of Glaucomas Drance, S. M. and Neufeld, 1 5 A. H. eds., New York, Grune & Stratton, 1984, pp. 477-505).
Such prostaglandins include PGF2a, PGF1 a, PGE2, and certain lipid-soluble esters, such as C1 to CS alkyl esters, e.g. 1-isopropyl ester, of such compounds.
2 0 In the United States Patent No. 4,599,353 certain prostaglandins, in particular PGE2 and PGF2a and the C1 to C 5 alkyl esters of the latter compound, were reported to possess ocular hypotensive activity and were recommended for use in glaucoma management.
Although the precise mechanism is not yet known, recent experimental results indicate that the prostaglandin induced reduction in intraocular pressure results from increased uveoscleral outflow [Nilsson et al., I n v a s t .
3 0 Qphthalmol. Vis. Sci 28(suppl), 284 (1987)].
The isopropyl ester of PGF2a has been shown to have significantly greater hypotensive potency than the parent compound, which was attributed to its more effective penetration through the cornea. In 1987 this compound was described as "the most potent ocular hypotensive agent ever reported." [See, for example, Bito, L. Z., Arch. Ophthalmol, 105. 1036 (1987), and Siebold et al., Prodru~ 5, 3 (1989)].
Whereas prostaglandins appear to be devoid of significant intraocular side effects, ocular surface (conjunctival) hyperemia and foreign-body sensation have been consistently associated with the topical ocular use of such compounds, in particular PGF2Q and its prodrugs, e.g. its 1-isopropyl ester, in humans. The clinical potential of prostaglandins in the management of conditions associated with increased ocular pressure, e.g. glaucoma, is greatly limited by these side effects.
Certain phenyl and phenoxy mono, tri and tetra nor prostaglandis and their 1-esters are disclosed in European Patent Application 0,364,417 as useful in the treatment of glaucoma or ocular hypertension.
DE-A-27 21 534 discloses a very specific class of prostaglandins containing an alkylene group with the overwhelming proportion of examples relating to compounds bearing a conventional carboxylic acid end group on the a chain. Trans-1,2-di(loweralkyl) phosphono, chloro, bromo, iodo, thio and amino analogues of E1, A1, Fla, Flp, 11-deoxy Ei, 11-deoxy Flo and 11-deoxy Flp postaglandins for use as anti-thrombic agents are disclosed in US-A-4, 171,331.
LU-A-68940 discloses acidic prostaglandin analogues of PGE1, PGE2, and PGFzQ which exhibit improved pharmacological benefits in relation to the natural prostaglandin.
In EP-A-0 253 094, certain types of prostaglandin derivatives or analogues possessing a terminal carboxy group or carboxy derivative group such as an ester group at the 1-position on the a chain are disclosed for the treatment of ocular hypertension and glaucoma. Arndt et al (Prostaglandins, 13, 5, 837-843 (1977)) disclose the synthesis of certain cyclohexyl and spiro-cyclohexyl substituted prostaglandins whilst WO-A-92 / 08645 is concerned with prostaglandin derivatives having a terminal aminomethyl group at the 1-position of the a chain, and a conventional aliphatic w chain.
Catalitic hydrogenation of 2,3-dialkyl-4-hydroxy-2-cyclopentanones to yield prostanglandins is taught by De Clercq et al (Synthesis 39, 2747-2752). Certain analogues of the prostanglandins in which the '" CA 02144967 2001-09-21 -4a-C-1 carboxyl is replaced by a primary alcohol are disclosed in US-A-4,055,602 for use in pharmacological applications where natural prostaglandins are used.
In a series of patents assigned to Allergan, Inc. prostaglandin esters with increased ocular hypotensive activity accompanied with no or substantially reduced side-effects are disclosed. United States patent 5,446,041 issued August 29, 1995 relates to certain 11-acyl-prostaglandins, such as 11-pivaloyl, 11-acetyl, 11-isobutyryl, 11-valeryl, and 11-isovaleryl PGFZa. Intraocular pressure reducing 15-acyl prostaglandins are disclosed in the Canadian application 2,014,038 published November 25, 1990. Similarly, 11,15- 9,15- and 9,11-diesters of prostanglandins for example 11,15-dipivaloyl PGF2a are known to have ocular hypotensive activity. See U. s. Patent IS Patent No. 4,494,274; U.S. Patent 5,028,624 and U.S. Patent No. 5,034,413.
Summary of the ~r~vetttion We have found that certain cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives wherein the carboxylic acid group is replaced by a non-acidic substituent have pronounced effects on smooth muscle and are potent ocular hypotensive agents. We have further found that such compounds may be significantly more potent than their respective parent compounds and, in the case of glaucoma surprisingly, cause no or significantly lower ocular surface hyperemia than the parent compounds.
The present invention relates to methods of treating 2 0 cardiovascular, pulmonary-respiratory, gastrointestinal, reproductive and allergic diseases, shock and ocular hypertension which comprises administering an effective amount of a nonacidic derivative of cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl represented by the formula I
~X
A-B
R~
wherein A is an alkylene or alkenylene radical having from two to six carbon atoms, e.g. about four to five carbon atoms, 3 0 which radical may be substituted with' one or more hydroxy, ., '~ '~. . _ 6 _ oxo, alkyloxy or alkylcarboxy groups, and B is a cycloalkyl radical having from three to seven carbon atoms, e.g. about five to six carbon atoms, or an aryl radical, selected from the group consisting of hydrocarbyl aryl and heteroaryl radicals wherein the heteratom is selected from the group consisting of nitrogen, oxygen and sulfur atoms, and R1, R2 and X are as defined below. For example, A may be a straight chain alkylene radical, e.g. pentylene, or alkenylene radical, e.g. 3-hydroxy-1-pentylenyl, and B may be selected from the group consisting of cyclopentyl, cyclohexyl, phenyl, thienyl, furanyl, pyridyl, etc. B may also be substituted by radicals represented by Y, as defined below.
More preferably the method of the present invention comprises administering a non-acidic derivative of cyclopentane heptanoic acid, 2-(phenyl alkyl) represented by the formula II
Ri ..
~ X
~ . ~(Y)n ~(CH2)y wherein y is 0 or 1 and either the a or w chain may be unsaturated, Y is a radical selected from the group consisting of halo, e.g. fluoro, chloro, etc., nitro, amino, thiol, hydroxy, alkyloxy, alkylcarboxy, etc. and n is 0 or an integer of from 2 5 1 to about 3 and the symbols R1, R2, R3 and X are as defined below. Preferably the non-acidic derivative used in the above method of treatment is a compound of formula (III).
WO 94/06433 PGT/U~-'=3/08472 . _7_ R1 ~~~~~ .....
X
wherein hatched lines indicate a configuration, solid triangles are used to indicate (3 configuration; the dashed S bonds represent a single bond or a double bond which can be in the cis or trans configuration; X is a radical selected from the group consisting of halo, hydryl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, alkoxy (ether) and thio ether radicals; one of R1 and RZ is =O, -OH or a -O(CO)R6 group, and the other one is -OH or -O(CO)R6, or R1 is =O and R2 is H; R3 .is =O, OH or O(CO) R6; wherein R6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to about 20 carbon atoms, or -(CH2 )I,, R 7 wherein m is 0-10, and R 7 is an aliphatic ring from about 3 to about 7 carbon atoms, or an aryl or heteroaryl ring, as defined above; or a pharmaceutically acceptable salt thereof. Preferably R 1, R2 and R3 are -OH.
In another aspect, the present invention relates to a 2 0 method of treating cardiovascular, pulmonary-respiratory, gastrointestinal, reproductive and allergic diseases, shock and ocular hypertension which comprises administering to , a subject a pharmaceutical composition comprising a therapeutically effective amount of a compound of formula (IV) .
_g_ X
wherein the symbols and substituents are as defined above, in combination with a pharmaceutical carrier.
In a further aspect, the present invention relates to pharmaceutical compositions comprising a therapeutically effective amount of a compound of formulae (I), (II), (III), or (IV) wherein the symbols have the above meanings, or a IO pharmaceutically acceptable salt thereof in admixture with a non-toxic, pharmaceutically acceptable liquid vehicle.
In a still further aspect, the present invention relates to nonacidic cyclopentane heptanoic acid, 5-cis-2-(3-hydroxy-5-phenyl-1-traps-pentyl) derivatives of the above formulae, wherein the substituents and symbols are as defined hereinabove, or a pharmaceutically acceptable salt of such compounds.
WO 94/06433 ,~ PCT/US93/08472 _9_ The present invention relates to the use of cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents, e.g. as ocular hypotensives. These therapeutic agents are represented by compounds having the formula I, A-B
as defined above. The preferred nonacidic cyclopentane heptanoic acid, 2-(phenyl alkyl) derivatives used in accordance with the present invention are encompassed by the following structural formula (II) -~- ~ \
\% v X
~(Y)n ~(CH2)y ~ v wherein the substituents and symbols are as hereinabove defined. More preferably the nonacidic derivatives are 2 0 represented by formula (III).
.....
~X
..
- -lo-wherein the substituents and symbols are as defined above.
More preferably, the nonacidic derivatives utilized in the present invention are compounds represented by the formula (IV) R1= X
.:
'' _ ~3 wherein the substituents and the symbols are as defined above.
Most preferably the present invention utilizes the novel nonacidic derivatives of the formula (V) OH X
''''' OH OH
and their 9- and/or 11- and/or 1 S-esters.
2 0 In all of the above formulae, as well as in those provided hereinafter, the dotted lines on bonds between carbons 5 and 6 (C-5), between carbons 13 and 14 (C-13), between carbons 8 and 12 (C-8), and between carbons 10 and 11 (C-10) indicate a single or a double bond which can 2 5 be in the cis or trans configuration. If two solid lines are used that indicates a specific configuration for that double bond. Hatched lines at positions C-9, C-11 and C-15 indicate the a configuration. If one were to draw the (3 configuration, a solid triangular line would be used.
In the compounds used in accordance with the present invention, compounds having the C-9 or C-11 or C-15 substituents in the a or ~i configuration are contemplated.
As hereinabove mentioned, in all formulas provided herein broken line attachments to the cyclopentane ring indicate substituents in the a configuration. Thickened solid line attachments to the cyclopentane ring indicate substituents in the ~i configuration. Also, the broken line attachment of the hydroxyl group or other substituent to the C-11 and C
15 carbon atoms signifies the a configuration.
For the purpose of this invention, unless further limited, the term "alkyl" refers to alkyl groups having from one to ten carbon atoms, the term "cycloalkyl" refers to 2 0 cycloalkyl groups having from three to seven carbon atoms, the term "aryl" refers to aryl groups having from four to ten carbon atoms. The term "saturated or unsaturated acyclic hydrocarbon group" is used to refer to straight or branched chain, saturated or unsaturated hydrocarbon groups having 2 5 from one to about 6, preferably one to about 4 carbon atoms. Such groups include alkyl, alkenyl and alkynyl groups of appropriate lengths, and preferably are alkyl, e.g.
methyl, ethyl, propyl, butyl, pentyl, or hexyl, or an isomeric form thereof.
The definition of R6 may include a cyclic component, -(CH2)mR~, wherein n is 0-10, R7 is an aliphatic ring from about 3 to about 7 carbon atoms, or an aromatic or heteroaromatic ring. The "aliphatic ring" may be saturated or unsaturated, and preferably is a saturated ring having 3 7 carbon atoms, inclusive. As an aromatic ring, R~
preferably is phenyl, and the heteroaromatic rings have oxygen, nitrogen or sulfur as a heteroatom, i.e., R~ may be thienyl, furanyl, pyridyl, etc. Preferably m is 0-4.
X may be selected from the group consisting of: -H, -F, O
-I, -N02, -OH, -OH, -C-N(Ra)(Ra) -N(R4)(R4), =N-OH, -C = N, 1 0 -SH, -SRS and -ORS wherein R4 is hydrogen or C~ to C3 alkyl, and RS is C1 to C3 alkyl. Preferably R4 is hydrogen.
Preferred representatives of the compounds within the scope of the present invention are the compounds of 1 5 formula V wherein X is -OH, i.e. cyclopentane heptenol, 5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5-dihydroxy, [ 1 a, 2~, 3a, Sa ] and the 9- and/or 11- and/or 15-esters of this compound. (The numbered designations in brackets refer to the positions on the cyclopentane ring.) The following novel compounds may be used in the pharmaceutical compositions and the methods of treatment of the present invention.
(1) cyclopentane heptenol-5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, S dihydroxy, [ 1 a, 2~i, 3a, Sa]
(2) cyclopentane heptenamide-5-cis-2-(3 ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [ 1 a, 2p, 3a, Sa]
(3) cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, S
dihydroxy, [ 1 a, 2~, 3a, Sa]
(4) cyclopentane heptenyl methoxide-5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
Field of the Invention The present invention relates to cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives, substituted in the 1-position with halo, hydryl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, ether or thioether groups, e.g., 1-OH cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives. The cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of the present invention are potent ocular hypotensives, and are particularly suitable for the management of glaucoma.
Moreover, the cyclopentane heptanoic acid, 2-(cycloalkyl or arylalkyl) derivatives of this invention are smooth muscle relaxants with broad application in systemic hypertensive and pulmonary diseases; smooth muscle relaxants with 2 0 application in gastrointestinal disease, reproduction, fertility, incontinence, shock, etc.
Background of the Invention 2 5 Ocular hypotensive agents are useful in the treatment of a number of various ocular hypertensive conditions, such as post-surgical and post-laser trabeculectomy ocular hypertensive episodes, glaucoma, and as presurgical adjuncts.
Glaucoma is a disease of the eye characterized by increased intraocular pressure. On the basis of its etiology, glaucoma has been classified as primary or secondary. For example, primary glaucoma in adults (congenital glaucoma) may be either open-angle or acute or chronic angle-closure.
Secondary glaucoma results from pre-existing ocular diseases such as uveitis, intraocular tumor or an enlarged cataract.
The underlying causes of primary glaucoma are not yet known. The increased intraocular tension is due to the obstruction of aqueous humor outflow. In chronic open-angle glaucoma, the anterior chamber and its anatomic structures appear normal, but drainage of the aqueous humor is impeded. In acute or chronic angle-closure glaucoma, the anterior chamber is shallow, the filtration angle is narrowed, and the iris may obstruct the trabecular meshwork at the entrance of the canal of Schlemm. Dilation of the pupil may push the root of the iris forward against the angle, and may produce pupillary block and thus precipitate an acute attack. Eyes with narrow anterior chamber angles are predisposed to acute angle-closure glaucoma attacks of various degrees of severity.
Secondary glaucoma is caused by any interference with the flow of aqueous humor from the posterior chamber into the anterior chamber and subsequently, into the canal of Schlemm. Inflammatory disease of the anterior segment 2 5 may prevent aqueous escape by causing complete posterior synechia in iris bombe and may plug the drainage channel with exudates. Other common causes are intraocular tumors, enlarged cataracts, central retinal vein occlusion, trauma to the eye, operative procedures and intraocular 3 0 hemorrhage.
Considering all types together, glaucoma occurs in about 2% of all persons over the age of 40 and may be asymptotic for years before progressing to rapid loss of vision. In cases where surgery is not indicated, topical (3-adrenoreceptor antagonists have traditionally been the drugs of choice for treating glaucoma.
Prostaglandins were earlier regarded as potent ocular hypertensives; however, evidence accumulated in the last two decades shows that some prostaglandins are highly effective ocular hypotensive agents and are ideally suited for the long-term medical management of glaucoma. (See, for example, Starr, M.S., Exp. Eye Res., 1971, 11, P.P. 170-177; Bito, L. Z. Biological Protection with Prostaglandins Cohen, M. M., ed., Boca Raton, Fla, CRC Press Inc., 1985, pp.
231-252; and Bito, L. Z., Applied Pharmacology in the Medical Treatment of Glaucomas Drance, S. M. and Neufeld, 1 5 A. H. eds., New York, Grune & Stratton, 1984, pp. 477-505).
Such prostaglandins include PGF2a, PGF1 a, PGE2, and certain lipid-soluble esters, such as C1 to CS alkyl esters, e.g. 1-isopropyl ester, of such compounds.
2 0 In the United States Patent No. 4,599,353 certain prostaglandins, in particular PGE2 and PGF2a and the C1 to C 5 alkyl esters of the latter compound, were reported to possess ocular hypotensive activity and were recommended for use in glaucoma management.
Although the precise mechanism is not yet known, recent experimental results indicate that the prostaglandin induced reduction in intraocular pressure results from increased uveoscleral outflow [Nilsson et al., I n v a s t .
3 0 Qphthalmol. Vis. Sci 28(suppl), 284 (1987)].
The isopropyl ester of PGF2a has been shown to have significantly greater hypotensive potency than the parent compound, which was attributed to its more effective penetration through the cornea. In 1987 this compound was described as "the most potent ocular hypotensive agent ever reported." [See, for example, Bito, L. Z., Arch. Ophthalmol, 105. 1036 (1987), and Siebold et al., Prodru~ 5, 3 (1989)].
Whereas prostaglandins appear to be devoid of significant intraocular side effects, ocular surface (conjunctival) hyperemia and foreign-body sensation have been consistently associated with the topical ocular use of such compounds, in particular PGF2Q and its prodrugs, e.g. its 1-isopropyl ester, in humans. The clinical potential of prostaglandins in the management of conditions associated with increased ocular pressure, e.g. glaucoma, is greatly limited by these side effects.
Certain phenyl and phenoxy mono, tri and tetra nor prostaglandis and their 1-esters are disclosed in European Patent Application 0,364,417 as useful in the treatment of glaucoma or ocular hypertension.
DE-A-27 21 534 discloses a very specific class of prostaglandins containing an alkylene group with the overwhelming proportion of examples relating to compounds bearing a conventional carboxylic acid end group on the a chain. Trans-1,2-di(loweralkyl) phosphono, chloro, bromo, iodo, thio and amino analogues of E1, A1, Fla, Flp, 11-deoxy Ei, 11-deoxy Flo and 11-deoxy Flp postaglandins for use as anti-thrombic agents are disclosed in US-A-4, 171,331.
LU-A-68940 discloses acidic prostaglandin analogues of PGE1, PGE2, and PGFzQ which exhibit improved pharmacological benefits in relation to the natural prostaglandin.
In EP-A-0 253 094, certain types of prostaglandin derivatives or analogues possessing a terminal carboxy group or carboxy derivative group such as an ester group at the 1-position on the a chain are disclosed for the treatment of ocular hypertension and glaucoma. Arndt et al (Prostaglandins, 13, 5, 837-843 (1977)) disclose the synthesis of certain cyclohexyl and spiro-cyclohexyl substituted prostaglandins whilst WO-A-92 / 08645 is concerned with prostaglandin derivatives having a terminal aminomethyl group at the 1-position of the a chain, and a conventional aliphatic w chain.
Catalitic hydrogenation of 2,3-dialkyl-4-hydroxy-2-cyclopentanones to yield prostanglandins is taught by De Clercq et al (Synthesis 39, 2747-2752). Certain analogues of the prostanglandins in which the '" CA 02144967 2001-09-21 -4a-C-1 carboxyl is replaced by a primary alcohol are disclosed in US-A-4,055,602 for use in pharmacological applications where natural prostaglandins are used.
In a series of patents assigned to Allergan, Inc. prostaglandin esters with increased ocular hypotensive activity accompanied with no or substantially reduced side-effects are disclosed. United States patent 5,446,041 issued August 29, 1995 relates to certain 11-acyl-prostaglandins, such as 11-pivaloyl, 11-acetyl, 11-isobutyryl, 11-valeryl, and 11-isovaleryl PGFZa. Intraocular pressure reducing 15-acyl prostaglandins are disclosed in the Canadian application 2,014,038 published November 25, 1990. Similarly, 11,15- 9,15- and 9,11-diesters of prostanglandins for example 11,15-dipivaloyl PGF2a are known to have ocular hypotensive activity. See U. s. Patent IS Patent No. 4,494,274; U.S. Patent 5,028,624 and U.S. Patent No. 5,034,413.
Summary of the ~r~vetttion We have found that certain cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives wherein the carboxylic acid group is replaced by a non-acidic substituent have pronounced effects on smooth muscle and are potent ocular hypotensive agents. We have further found that such compounds may be significantly more potent than their respective parent compounds and, in the case of glaucoma surprisingly, cause no or significantly lower ocular surface hyperemia than the parent compounds.
The present invention relates to methods of treating 2 0 cardiovascular, pulmonary-respiratory, gastrointestinal, reproductive and allergic diseases, shock and ocular hypertension which comprises administering an effective amount of a nonacidic derivative of cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl represented by the formula I
~X
A-B
R~
wherein A is an alkylene or alkenylene radical having from two to six carbon atoms, e.g. about four to five carbon atoms, 3 0 which radical may be substituted with' one or more hydroxy, ., '~ '~. . _ 6 _ oxo, alkyloxy or alkylcarboxy groups, and B is a cycloalkyl radical having from three to seven carbon atoms, e.g. about five to six carbon atoms, or an aryl radical, selected from the group consisting of hydrocarbyl aryl and heteroaryl radicals wherein the heteratom is selected from the group consisting of nitrogen, oxygen and sulfur atoms, and R1, R2 and X are as defined below. For example, A may be a straight chain alkylene radical, e.g. pentylene, or alkenylene radical, e.g. 3-hydroxy-1-pentylenyl, and B may be selected from the group consisting of cyclopentyl, cyclohexyl, phenyl, thienyl, furanyl, pyridyl, etc. B may also be substituted by radicals represented by Y, as defined below.
More preferably the method of the present invention comprises administering a non-acidic derivative of cyclopentane heptanoic acid, 2-(phenyl alkyl) represented by the formula II
Ri ..
~ X
~ . ~(Y)n ~(CH2)y wherein y is 0 or 1 and either the a or w chain may be unsaturated, Y is a radical selected from the group consisting of halo, e.g. fluoro, chloro, etc., nitro, amino, thiol, hydroxy, alkyloxy, alkylcarboxy, etc. and n is 0 or an integer of from 2 5 1 to about 3 and the symbols R1, R2, R3 and X are as defined below. Preferably the non-acidic derivative used in the above method of treatment is a compound of formula (III).
WO 94/06433 PGT/U~-'=3/08472 . _7_ R1 ~~~~~ .....
X
wherein hatched lines indicate a configuration, solid triangles are used to indicate (3 configuration; the dashed S bonds represent a single bond or a double bond which can be in the cis or trans configuration; X is a radical selected from the group consisting of halo, hydryl, hydroxyl, nitro, amino, amido, azido, oxime, cyano, thiol, alkoxy (ether) and thio ether radicals; one of R1 and RZ is =O, -OH or a -O(CO)R6 group, and the other one is -OH or -O(CO)R6, or R1 is =O and R2 is H; R3 .is =O, OH or O(CO) R6; wherein R6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to about 20 carbon atoms, or -(CH2 )I,, R 7 wherein m is 0-10, and R 7 is an aliphatic ring from about 3 to about 7 carbon atoms, or an aryl or heteroaryl ring, as defined above; or a pharmaceutically acceptable salt thereof. Preferably R 1, R2 and R3 are -OH.
In another aspect, the present invention relates to a 2 0 method of treating cardiovascular, pulmonary-respiratory, gastrointestinal, reproductive and allergic diseases, shock and ocular hypertension which comprises administering to , a subject a pharmaceutical composition comprising a therapeutically effective amount of a compound of formula (IV) .
_g_ X
wherein the symbols and substituents are as defined above, in combination with a pharmaceutical carrier.
In a further aspect, the present invention relates to pharmaceutical compositions comprising a therapeutically effective amount of a compound of formulae (I), (II), (III), or (IV) wherein the symbols have the above meanings, or a IO pharmaceutically acceptable salt thereof in admixture with a non-toxic, pharmaceutically acceptable liquid vehicle.
In a still further aspect, the present invention relates to nonacidic cyclopentane heptanoic acid, 5-cis-2-(3-hydroxy-5-phenyl-1-traps-pentyl) derivatives of the above formulae, wherein the substituents and symbols are as defined hereinabove, or a pharmaceutically acceptable salt of such compounds.
WO 94/06433 ,~ PCT/US93/08472 _9_ The present invention relates to the use of cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents, e.g. as ocular hypotensives. These therapeutic agents are represented by compounds having the formula I, A-B
as defined above. The preferred nonacidic cyclopentane heptanoic acid, 2-(phenyl alkyl) derivatives used in accordance with the present invention are encompassed by the following structural formula (II) -~- ~ \
\% v X
~(Y)n ~(CH2)y ~ v wherein the substituents and symbols are as hereinabove defined. More preferably the nonacidic derivatives are 2 0 represented by formula (III).
.....
~X
..
- -lo-wherein the substituents and symbols are as defined above.
More preferably, the nonacidic derivatives utilized in the present invention are compounds represented by the formula (IV) R1= X
.:
'' _ ~3 wherein the substituents and the symbols are as defined above.
Most preferably the present invention utilizes the novel nonacidic derivatives of the formula (V) OH X
''''' OH OH
and their 9- and/or 11- and/or 1 S-esters.
2 0 In all of the above formulae, as well as in those provided hereinafter, the dotted lines on bonds between carbons 5 and 6 (C-5), between carbons 13 and 14 (C-13), between carbons 8 and 12 (C-8), and between carbons 10 and 11 (C-10) indicate a single or a double bond which can 2 5 be in the cis or trans configuration. If two solid lines are used that indicates a specific configuration for that double bond. Hatched lines at positions C-9, C-11 and C-15 indicate the a configuration. If one were to draw the (3 configuration, a solid triangular line would be used.
In the compounds used in accordance with the present invention, compounds having the C-9 or C-11 or C-15 substituents in the a or ~i configuration are contemplated.
As hereinabove mentioned, in all formulas provided herein broken line attachments to the cyclopentane ring indicate substituents in the a configuration. Thickened solid line attachments to the cyclopentane ring indicate substituents in the ~i configuration. Also, the broken line attachment of the hydroxyl group or other substituent to the C-11 and C
15 carbon atoms signifies the a configuration.
For the purpose of this invention, unless further limited, the term "alkyl" refers to alkyl groups having from one to ten carbon atoms, the term "cycloalkyl" refers to 2 0 cycloalkyl groups having from three to seven carbon atoms, the term "aryl" refers to aryl groups having from four to ten carbon atoms. The term "saturated or unsaturated acyclic hydrocarbon group" is used to refer to straight or branched chain, saturated or unsaturated hydrocarbon groups having 2 5 from one to about 6, preferably one to about 4 carbon atoms. Such groups include alkyl, alkenyl and alkynyl groups of appropriate lengths, and preferably are alkyl, e.g.
methyl, ethyl, propyl, butyl, pentyl, or hexyl, or an isomeric form thereof.
The definition of R6 may include a cyclic component, -(CH2)mR~, wherein n is 0-10, R7 is an aliphatic ring from about 3 to about 7 carbon atoms, or an aromatic or heteroaromatic ring. The "aliphatic ring" may be saturated or unsaturated, and preferably is a saturated ring having 3 7 carbon atoms, inclusive. As an aromatic ring, R~
preferably is phenyl, and the heteroaromatic rings have oxygen, nitrogen or sulfur as a heteroatom, i.e., R~ may be thienyl, furanyl, pyridyl, etc. Preferably m is 0-4.
X may be selected from the group consisting of: -H, -F, O
-I, -N02, -OH, -OH, -C-N(Ra)(Ra) -N(R4)(R4), =N-OH, -C = N, 1 0 -SH, -SRS and -ORS wherein R4 is hydrogen or C~ to C3 alkyl, and RS is C1 to C3 alkyl. Preferably R4 is hydrogen.
Preferred representatives of the compounds within the scope of the present invention are the compounds of 1 5 formula V wherein X is -OH, i.e. cyclopentane heptenol, 5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5-dihydroxy, [ 1 a, 2~, 3a, Sa ] and the 9- and/or 11- and/or 15-esters of this compound. (The numbered designations in brackets refer to the positions on the cyclopentane ring.) The following novel compounds may be used in the pharmaceutical compositions and the methods of treatment of the present invention.
(1) cyclopentane heptenol-5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, S dihydroxy, [ 1 a, 2~i, 3a, Sa]
(2) cyclopentane heptenamide-5-cis-2-(3 ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [ 1 a, 2p, 3a, Sa]
(3) cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, S
dihydroxy, [ 1 a, 2~, 3a, Sa]
(4) cyclopentane heptenyl methoxide-5-cis-2-(3-ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
(5) cyclopentane heptenyl fluoride-S-cis-2-(3-ahydroxy-S-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
(6) cyclopentane heptenyl nitrate-5-cis-2-(3 ahydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
(7) cyclopentane heptenyliodide-5-cis-2-(3 ahydroxy-5-phenyl-1-trans-pentenyl)-3, S
2 0 dihydroxy, [ 1 a, 2R, 3a, Sa]
2 0 dihydroxy, [ 1 a, 2R, 3a, Sa]
(8) cyclopentane hepteneamine-5-cis-2-(3-ahydroxy-S-phenyl-1-trans-pentenyl)-3, S
dihydroxy, [ 1 a, 2~, 3a, Sa]
dihydroxy, [ 1 a, 2~, 3a, Sa]
(9) cyclopentane heptenecyanide-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, S
dihydroxy, [ 1 a, 2~, 3a, Sa]
dihydroxy, [ 1 a, 2~, 3a, Sa]
(10) cyclopentane hepteneazide-5-cis-2-(3-ahydroxy-S-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
W~ 94/06433 PGT/US93/08472 ~,~..~~ , _14_ (11) cyclopentane heptene-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa] (Note when X is -H, i.e. hydryl, the correct designation is heptene.) ( 12) cyclopentane N-isopropyl heptene amide-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
1 0 ( 13 ) cyclopentane N-ethyl heptene amide-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
( 14) cyclopentane N-methyl heptene amide-5-cis-2 (3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
(15) cyclopentane heptenol-S-cis-2-(3-ahydroxy-4 m-chlorophenoxy-1-traps-butenyl)-3, 5 2 0 dihydroxy, [ 1 a, 2~, 3a, Sa]
(16) cyclopentane heptenamide-5-cis-2-(3-ahydroxy-4-m-chlorophenoxy-1-traps-butenyl)-3, S dihydroxy, [la, 2~, 3a, Sa]
(17) cyclopentane heptenol-5-cis-2-(3-ahydroxy-5 . phenylpentyl)3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
A pharmaceutically acceptable salt is any salt which 3 0 retains the activity of the parent compound and does not impart any deleterious or undesirable effect on the subject to whom it is administered and in the context in which it is administered. Such salts are those formed with WO 94/06433 ~ PCT/US93/08472 pharmaceutically acceptable cations, e.g., alkali metals, alkali earth metals, etc.
Pharmaceutical compositions may be prepared by combining a therapeutically effective amount of at least one compound according to the present invention, or a pharmaceutically acceptable salt thereof, as an active ingredient, with conventional pharmaceutically-acceptable excipients, e.g. an ophthalmically-acceptable vehicle, and by preparation of unit dosage forms suitable for pharmaceutical use, e.g. topical ocular use. The therapeutically efficient amount typically is between about 0.0001 and about 5%
(w/v), preferably about 0.001 to about 1.0% (w/v) in liquid formulations.
For ophthalmic application, preferably solutions are prepared using a physic logical saline solution as a major vehicle. The pH of such ophthalmic solutions should preferably be maintained between 4.5 and 8.0 with an appropriate buffer system, a neutral pH being preferred but not essential. The formulations may also contain conventional, pharmaceutically acceptable preservatives, stabilizers and surfactants.
Preferred preservatives that may be used in the pharmaceutical compositions of the present invention include, but are not limited to, benzalkonium chloride, chlorobutanol, thimerosal, phenylmercuric acetate and phenylmercuric nitrate. A preferred surfactant is, for example, Tween 80'°. Likewise, various preferred vehicles may be used in the ophthalmic preparations of the present invention. These vehicles include, but are not limited to, polyvinyl alcohol, povidone, hydroxypropyl methyl cellulose, poloxamers, ,.carboxymethyl cellulose, hydroxyethyl cellulose 2 0 cyclodextrin and purifies! water.
Tonicity adjustors may be added as needed or convenient. They include, but are not limited to, salts, particularly sodium chloride, potassium chloride, mannitol 2 5 and glycerin, or any other suitable ophthalmically acceptable tonicity adjustor.
Various buffers and means far adjusting pH may be used so long as the resulting preparation is ophthalmically 3 0 acceptable. Accordingly, buffers include acetate buffers, citrate buffers, phosphate buffers and borate buffers. Acids or bases may be used to adjust the pH of these formulations as needed.
~' Trade-mark In a similar vein, an ophthalmically acceptable antioxidant for use in the present invention includes, but is not limited to, sodium metabisulfite, sodium thiosulfate, acetylcysteine, butylated hydroxyanisole and butylated hydroxytoluene.
Other excipient components which may be included in the ophthalmic preparations are chelating agents. The preferred chelating agent is edentate disodium, although other chelating agents may also be used in place of or in conjunction with it.
The ingredients are usually used in the following amounts:
Ingredient Amount (% w/v) I active ingredientabout 0.001-5 ~
I preservative 0-0.10 vehisla 0-40 tonicity adjustor0-10 buffer 0.01-10 pH adjustor q.s. pH 4.5-7.5 antioxidant as needed surfactant as needed purified water as needed to make 100%
The actual dose of the active compounds of the present invention depends on the specific compound, and on the condition to be treated; the selection of the appropriate dose 2 0 is well within the knowledge of the skilled artisan.
The ophthalmic formulations of the present invention are conveniently packaged in forms suitable for metered application, such as in containers equipped with a dropper, to facilitate application to the eye. Containers suitable for dropwise application are usually made of suitable inert, non-toxic plastic material, and generally contain between about 0.5 and about 15 ml solution. One package may S contain one or more unit doses.
Especially preservative-free solutions are often formulated in non-resealable containers containing up to about ten, preferably up to about five units doses, where a typical unit dose is from one to about 8 drops, preferably one to about 3 drops. The volume of one drop usually is about 20-35 ~.1.
The invention is further illustrated by the following non-Limiting Examples.
$~,dioli~and Binding Studies The Radioligand binding studies reported in Figures 1 to 3 were performed on plasma membrane preparations from the rat colon. Tissues were homogenized in buffer (0.25 M sucrose, 50 mM TRIS: pH 7.4) with a polytron homogenizer for 3 secs at setting 7. The homogenate was centrifuged at 200g, the supernatant was filtered through gauze, and the filtrate centrifuged at 177,000g for 40 min.
Enriched plasma membrane fractions were subsequently prepared using two-step discontinuous gradients. The 177,000g pellet was suspended in homogenization buffer and layered over a cushion of 0.842 M sucrose for radiolabelled 17-phenyl PGF2a studies. Centrifugation was then performed at 112,?OOg for 2 hr. The bands at the interface of the sucrose layers were carefully aspirated and centrifuged at 304,000g for 40 min. Ratlioligand binding assays were performed on the pellets, which were suspended with the aid of sonication. Studies with radiolabelled 17-phenyl PGF2a were performed in buffer containing SO mM TRIS-HCI and 2.5 mM Mn C12 at pH 5.75.
2 5 Competition studies were performed vs. SnM3H- 17-phenyl PGF2 a in a total volume of 200 ~ 1. Protein concentrations were approximately 40 ftg/ml for the colon membrane homogenates. Non-specific binding was determined by 10 ~ M of the corresponding unlabelled 3 0 ligand. Studies were terminated by the addition of ace-cold buffer and rapid filtration through Whatman GF/B~ filters using a Braridel~ cell harvester.
* Trade-mark Figure 1 shows that prostaglandin F2a(PGF2a) and 17-phenyl PGF2a both potently displace 3H-17-phenyl PGF2a from its receptor in a dose-related manner. In contrast, 3H -17-phenyl PGF2a is not displaced when the terminal -COON
S group is replaced by an amine or a methylamide group. See Fig. 2 wherein cyclopentane hepteneamine, S-cis-2-(3-hydroxy-5-phenyl-1-trans-pentenyl)-3, S-dihydroxy, [la, 2 ~ , 3a , Sa ] and the N-methyl derivative thereof are compared to 17-phenyl PGF2a for their ability to displace 3H-17-phenyl PGF2a from its receptor. A further example is provided in Fig. 3 where 16-m-chlorophenoxy PGF2 «
potently displaces 3H-17-phenyl PGF2a but the potent displacement observed for 16-m-chlorophenoxy PGF2a is greatly reduced when the terminal -COON group is replaced by -CONH2 as in the compound cyclopentane heptenamide, 5-cis-2-(3-hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5-dihydroxy, ( 1 a, 2~, 3a, Sa] .
~xamgle 2 a~+ Signal in ~wis,F ~T~ Cells Measurement of intracellular [Ca2+] was achieved by incorporating the Ca2+-sensitive fluorescent probe Fura-2 AM into Swiss 3T3 cells in suspension as described in Woodward et al. Advances in Prostaglandin, Thromboxane and Leukotriene Research 21:367, 1990. Fluorescence was 1 0 measured in a Perkin-Elmer LS-5 * spectrophotometer at excitation and emission wavelengths of 340 and 492 nM, respectively. Each experimental determination employed 106 cells suspended in Schmuells buffer: For studies in Ca2~-free Schmuells buffer, each cuvete also contained 0.4mM EGTA. Calibration of the Fura 2 signal was as previously described for Quin 2 and Fura 2 Yamagachi et al.
J. Biological Chemistry 263: 10745, 1988. Briefly the cells were lysed with digitonin (10 ~.I x 100 mg/ml in DMSO).
EGTA (100 mM) and sufficient 10N NaOH to adjust the pH to 8.5 were then successively added to obtain minimum fluorescence.
The effects of the campounds examined on intracellular [Ca2+J are compared as the concentration 2 5 required to produce 50% of the maximal PGF2a response (Table 1 ). Note that replacement of the terminal -COOH
group by a non-acidic substituent universally results in a dramatic reduction in activity.
* Trade-mark WO 94/06433 . ~ ' , , ~ . , , PCT/US93/08472 . able 1 Effect on fCa2+1 in Swiss 3T3 Cells PARENT CONNiPIOLIND E.C.SnlnM1 l 1-1~ER iV ATIVEI
A(CONH2) A(CON CH ) 6 5 0 0 0 A(OH) > 10,000 A(OCH3) > 10,000 A(F) >10,000 A(N02) > 10,000 A(NH2) > 10,000 A(I) >10,000 A(CN) > 10,000 A(N3) > 10,000 A(CH3) > 10,000 17- hen 1 PGF2a 1 3 B(CONH2) 9 0 0 B(OH) > 10, 000 A is cyclopentane heptenoic acid, 5-cis-2-(3-a-hydroxy-1-trans-octenyl)-3, S-dihydroxy, [ 1 a, 2~, 3a, Sa) WO 94/06433 , 'PCT/US93/08472 B is cyclopentane heptanoic acid, 5-cis-2-(3-a-hydroxy-5-phenyl-1-trans-pentenyl)-3, 5-dihydroxy, [ 1 a, 2~, 3a, Sa]
~x~tng~,e pNA Synthesis in Sw~i~s T~ Cells Swiss mouse 3T3 cells were maintained in Dulbecco's modified Eagle's mediutrr~ (DMEM) low glucose and supplemented with 10°lo fetal bovine serum (FBS), 2 mM 1-glutamine and 1 % antibiotic-antimycotic 100X. The cultures were incubated in 5% C02 in air at 37°C. Confluent cultures were trypsinized and plated in quadruplicate cultures for experiments. Cells were plated at 1 x 105 cells per 35 mm well in DMEM containing 10°lo FBS in 6-well cluster plates and allowed to become confluent in 3 days. The cells were then made quiescent by washing them with Hank's balanced salt solution (HBSS) and incubating them for 24 hours in DMEM with 0.5°lo FBS. The cultures were then refed fresh DMEM containing 0.5% FBS and various concentrations of the compounds of interest. All compounds were dissolved in absolute ethanol, diluted with sterile filtered normal saline 2 0 and added to the medium so that the final ethanol control cultures were incubated in medium containing 0.01 % or less.
The vehicle control cultures were incubated in medium containing 0.01 °lo ethanol in saline. Cultures were incubated for 22 hours before pulse-labeling with ([3H]-TdR).
Pulse-labeling of the cultures consisted of collecting the conditioned, drug-treated or control containing media, then adding 1 ~ Ci/ml[3H)-TdR and incubating the cultures in the (3H]-TdR containing medium for 5 hours. The cells were 3 0 then washed with phosphate buffered saline and fixed with 6% trichloroacetic acid' (TCA). The cells were scraped from the culture wells and transferred to tubes. Each well was rinsed with 6% TCA and the rinse was added to the appropriate tubes. Each well was rinsed with 6% TCA and Trade-mark the rinse was added to the appropriate tubes. After centrifugation at 2800 RPM for 20 minutes at room temperature, an aliquot of the supernatant containing unincorporated (3H]-TdR(S1) wasr transferred to scintillation tubes. Radioactivity was measured by liquid-scintillation counting using Beckman HP* cocktail. The remainder S 1 supernatant was decanted and 3% perchloric acid (PCA) was added to the cell pellet. The DNA was denatured by placing the tubes' in heating blocks at 9S° C for 20 minutes, followed by placing the tubes in an ice bath for 15 minutes,. After centrifugation as before, an aliquot of the supernatant containing [31i]-T dR incorporated into DNA (S2) was assayed for radioactivity by scintillation counting.
An aliquot of the remaining S2 supernatant was assayed for quantity of DNA by the diphenylamine method.
DNA standards, prepared from salmon testes DNA, and the samples were mixed with the diphenylamine reagent and incubated in a water bath with shaking at 30° C for 6-24 2 0 hours. The diphenylamine reagent was prepared with 1.5%
diphenylamine in glacial acetic acid and per 100 ml of the solution, by adding 1.5 ml of concentrated sulfuric acid and 0.5 ml of 1.6°l° acetaldehyde. Absorbance of the DNA
standards and samples were measured in a Beckman 2 S Biomek* spectrophotometer at 600 nM wavelength.
The data was expressed as CPM([3H)-TdR incorporated into DNA) per ug DNA and the mean of the quadruplicate samples was obtained for each experiment. The results 3 0 were presented as per cent of the vehicle control.
Table 2 shows that although PGF2a and 17-phenyl PGF2a potently increased DNA synthesis, replacement of the -COOH group by -OH resulted in a complete loss of activity.
* Trade-mark These results imply that the potential for fibrosis associated with prostanoids may be avoided by the nonacidic derivatives of this invention.
WO 94/06433 g ~ ~ PGT/US93/08472 (E.C.sp Values are 50°l0 of maximal DNA synthesis response) PARENT co~ouND ~o f nMl - (1-DERIVATIVE) A(OH) > 10,000 17- hen 1 PGF~ 5 0 B O > 10,000 The external rabbit jugular vein was used for vasorelaxation studies. A 3 mM ring was suspended in a 5 ml organ bath containing Krebsk buffer and 1 p M
indomethacin. 'The ring was pre-contracted with 1~-5 M
histamine to enable evaluation of vasorelaxation.
.10 Results of these studies are given in Table 3. Potent vasodilator propet-ties were apparent, the isopropylamide substituent unexpectedly provided a vasodilator with very high activity.
* Trade-mark (E.C.25 is the dose [M] to cause a 25% relaxation) E.C.~S fnMl DERIVATIVE) 17- hen 1 PGF2a 5 7 A CONH2) 2 8 7 A(CON CH 2) 7 3 A CONH iso ro 1 ) '7,9 Exar Smooth Muscle Stimulation The ability of the nonacidic derivatives of this invention to contract a variety of smooth muscle preparations were determined. Isolated smooth muscle responses were evaluated in the conventional way, using an organ bath and a force displacement transducer. The preparations are the cat iris, ileum (guinea-pig and chick), rat colon, and rat aorta. Table 4 summarizes the results.
It can be seen that replacement of the carboxylic acid moiety results in compounds with minimal or absent contractile activity on the arterial smooth muscle (aorta) or ileum preparations. In contrast, surprisingly potent activity is retained for the cat iris and the rat colon.
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fsa(~1a.1G~.1i~Gcai~-1~ V V ~~G~ V o La 'Ci ,~ ~ ~ °~ PCT/US93/08472 r Intraocular Pressure Intraocular pressure was measured by pneumatonometry in male and female Beagle dogs (10-15 kg). Studies were performed in conscious animals trained to accept pneumatonometry. Drugs were administered topically to one eye in a 25 ~.1 volume drop, the contralateral eye received vehicle as a control. Statistical analysis was by Student's paired t test.
Replacement of the -COOH by a diverse variety of substituents resulted in potent ocular hypotensive agents, despite the inability of these agents to bind to prostanoid receptors or elicit a Ca2+ second message as shown above.
The intraocular pressure results are summarized in Table 5.
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WO 94/06433 PGT/~JS93/08472 _36_ ]~xarnple 7 Inhibition of Neuronally Mediated Contraction of the Vas Deferens Field stimulation of the isolated guinea-pig vas deferens results in contraction of the tissue. This provides a useful preparation for evaluating the effect of drugs on sympathetic neuronal transmission. 17-phenyl PGF2a produced inhibition of this response whereas replacement of the -COOH moiety in this series of compounds resulted in either reduction or abolition of this activity (See Table 6 below).
Table 6 Inhibition of Contraction of the Field-Stimulated Guinea Pig Vas Deferans E.C.Sp values represent the concentration [nM]
required to produce 50°l0 of the maximal PGE2 effect.
COMPOUND F~,SO nM
(1-DERIVATIVEI
17- hen 1 PGF2a 2 8 2 B(CONH2 > 10,000 B OIL __ B 2) > 10,000 B CONH CH 2 ,18 8 B(CON(CH 2 > 10,000 WO 94/06433 PCl'/US93/08472 ~,yclooentane methvlheotenoate-5-cis-2 (3-ahvdroxv-4-m-chlorooh~ -1-traps-butenvll -3. 5 dihydrox~~~~l To a stirred solution of cyclopentane heptenoic acid, 5-cis-2-(3-a hydroxy-4-m-chlorophenoxy-1-traps-butenyl)-3,5-dihydroxy, [la, 2~, 3a, Sa] (24 mg. 0.0565 mmol) in acetone (0.6 ml) at room temperature was added I , 8 diazabicyclo [5.4Ø] undec-7-ene (DBU) (40, u1, 0.27 mmol) and methyl iodide (20 u1, 0.32 mmol). The reaction turned yellow with the DBU addition. The reaction was maintained at room temperature for 6.5 hours, then was diluted with ethyl acetate (30 ml) and filtered through a plug of celite with the aid of ethyl acetate. After concentration in vacuo, the residue was flushed with ethylacetate (EtOAc) through a 2 0 20 mm x 160 mm column of silica to give the desired methyl ester.
WO 94/06433 ~ PCpT/US93/08472 CvcloDentane heDtenamide-5-cis-2 f3-ahydw-4-m-chloronh~y-1-tranc-buteny~
-_3. 5 dihlrd-y. 11n,~,~,,~~, A mixture of the methyl ester of Example 8 (9.2 mg, 0.0222 mmol) and NH4Cl (10 mg, 0.187 mmol) in NH3 was heated at 80° C. for 12 hours. After cooling to room temperature, the solvents were evaporated and the residue was subjected to column chromatography to provide the named amide as 7.2 mg of a clear, colorless liquid.
_40_ ~vclonentane rnethvl he~~tenoate-5-cis-2 l3-ahvdroxy-5-phenyl-1-traps-~entenvll -3.5 dij~droxy. ~ln~~,,~"al To a stirred solution of cyclopentane heptenoic acid, 5-cis-2-(3-a hydroxy-5-phenyl-1-traps-pentenyl)-3, 5 1 0 dihydroxy, [la, 2~, 3a, Sa] (24 mg. 0.0565 mmol) in acetone (0.6 ml) at room temperature was added DBU (40, u1, 0.27 mmol) and methyl iodide (20 u1, 0.32 mmol). The reaction turned yellow with the DBU addition. The reaction was maintained at room temperature for 6.5 hours, then was diluted with ethyl acetate (30 ml) and filtered through a plug of celite with the aid of ethyl acetate. After concentration in vacuo, the residue was flushed with ethylacetate (EtOAc) through a 20 mm x 160 mm column of silica to give the desired methyl ester.
WO 94/06433 ~ ~ PCT/US93/08472 ~vclonentane he~~ide -5-cis -_2-l3-ahYd~v-5-p~vl-1-traps-~~en env, ~YS~.L~xY.~....t.l.a,~-?r~i.,.~.a,~.~.ocl A solution of the methyl ester of Example 10 and NH4Cl in NH3 was heated at 80°C. for 36 hours in a sealed tube. After cooling the reaction vessel to -78°C., the plug was removed and the ammonia was allowed to evaporate while warming to room temperature. The residue was taken up in EtOAc (30 ml) and filtered through a plug of celite.
Concentration in vacuo gave a clear, yellow oil that was purified by flash chromatography, using EtOAc, through a 1 5 160 mm x 1 mm column of silica to give the desired amide.
' ~ ~l I,iyclonentane N, N-dimethvlheytenamide-5-cis -2-(3-ahvdroxy-5-y~henvl-1-traps-ne~yll-3.
5 d i hyd roxy, f 1 ~,,,~,~,."~,a,~l A solution of the methyl ester of Example 10 (29.1 mg, 0.0723 mmol) and methanol (MeOH) (2 ml) in dimethylamine (8 ml) was heated at 80-85 C. for 36 hours.
After cooling to room temperature the sealed tube was opened and the excess amine was allowed to evaporate.
Concentration of the residue in vacuo followed by flash chromatography with 10% EtOAc/MeOH through a 20 mm x 120 rnm column of silica to yield the named amideas 9.2 mg of a clear, slightly yellow oil and 14.8 mg recovered of the ester. Similarly the N-isopropyl, N-methyl and N-ethyl derivative can be prepared by substituting isopropylamine, methylamine and ethylamine, respectiv ely for dimethylamine.
~,yclonentane henteneamine-5-cis-2 ~3-ahvdrox~ en~l-1-trans-yenten, I1~-~
5 dihvdroxy,, flc,~,~,~1 To a solution of the amide of Example 11 in tetrahydrofuran (THF) at 0° C. was added dropwise a stock solution of lithium aluminumhydride (LiAIH) in THF. The reaction turned turbid white during this addition. After 2 hours, the reaction was removed from the cold bath and allowed to warm to room temperature over 15 minutes.
Upon reaching room temperature, the reaction was quenched by cautious addition of 1N HCl (--0.5 ml) then 1 S concentrated in vacuo to remove the THF. The residue was digested with --1 ml of 0.5 ml LiOH, then extracted into chloroform (5 ml). The chloroform layer was then concentrated in vacuo. Flash chromatography using an 8:1:1 EtOAc: MeOH: triethylamine (Et3N) through a 10 mm x 100 2 0 mm column of silica gel gave the desired amine as 10.7 mg of a clear oil. The oil was evaporated to constant weight on high vacuum overnight. Similarly, the 1-dimethylamino derivative can be prepared by substituting the 1 dimethylamido derivative .of Example 12 for the amide of 2 5 Example 11.
~,y~jQDentane hentenol-5-cis-2 (3-ochvdroxy-5-~~henvl-1-traps-nentenvll S -3. 5 dihydroxy, fln~,~,~.1 To a solution of cyclopentane heptenoic acid-S-cis-2-(3ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa) in ethyl ether (Et20) was added a CH2N 2 solution until the mixture turned yellow. The mixture was then quenched with acetic acid until colorless. . The solvents were removed under vacuum and residue pumped down on high vacuum for several hours. The resulting methyl ester was then taken up in CH2C12 and cooled to -78° C. in a dry 1 S icelacetone bath. A dibutylaluminum hydride solution was then added hourly and the resulting reaction was allowed to warm to room temperature over 5 hours. The mixture was then quenched with MeOH. The resulting solution was transferred to a flask and diluted with --Sml CH2CI2. ~5 ml of 2 0 a saturated potassium sodium tartrate tetrahydrate solution was added and the resulting cloudy mixture was allowed to stir for 3 hours at which time the solution had cleared and the organic and water layers has separated. The mixture was transferred to a separatory funnel and separated. The 2 5 organic layer was washed, consecutively, with --5 ml of H20 and ~5 ml of brine, dried over MgS04 and concentrated to yield a yellow oil. Flash chromatography over Si02, with an eluant varying from 1% MeOH/CH2C12 to 5% MeOH/CH2C12 gave 32.2 mg of the desired product as a colorless oil.
WO 94106433 ~ PGT/US93/08472 Cy~jQ,nentane heotenol-5-cis-2 f3-ahvdw-4-m-chloroDhenoxv-1-trans-buten,~~l) -3. 5 dih, dw. fln~~,~,1 To a solution of cyclopentane heptenoic acid-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, S dihydroxy, [ 1 a,2 ~,3 a,5 a] (24.0 mg, 0.0565 mml) in THF at 0° C. was added a stock solution of LiAIH (1.0 m, 0.11 ml, 0.11 mml).
The resulting mixture was maintained at 0° C. for 2 hours, then was quenched by addition of 1N HCl (--0.2 ml). The reaction was transferred into a separatory funnel with the aid of brine (5 ml) and CHC13 (10 ml). The layers were separated and the aqueous portion was further extracted with two Sml portions of CHCl3. The combined organic layers were then concentrated and purified by passing through a column of silica using 5% MeOH in EtOAc as the eluant.
WO 94/06433 , PCT/US93/08472 _46_ ~,yclo~rentane he~rtenol-5-cis-2 (3-a tetrahvdro-2H-Qvr~. Iv oxv:
S ~nhenvl-1-traps-pentenyl)-3.5 di-tetra hvdro-2-H-nvran-2-vloxy, flai2B.3a.5a1 A "protected" methylsulfonate ester of the named compound of Example 14 is prepared by preparing a derivative of said named compound, wherein said hydroxyl groups are protected by conversion into tetrahydropyranyl derivatives, by methods known in the art. For example, see U.S. Patent 4,154,949 to Johnson et al, which issued 15 May 1979. Said derivatives are diluted in methylene chloride, cooled to 0° C., Et3N and CH3S02C1 are consecutively added and the organic layer is extracted and dried over MgS04.
The solvent is evaporated to yield the methylsulfonate ester of the "protected" derivative. Similarly, the methylsulfonate 2 0 ester of the "protected" derivative of Example 15 may be prepared by substitution of the named compound of Example 15 in the above preparation.
rvclonentane he~itenyliodide-S-cis-2 ~~y~v-5-n_ henvl-1-trans-ne_, nten~
-_3.5 d;h~droxX~fl:.
The "protected" compound of Example 16 is dissolved in acetone and then NaI and CaC03 are added. The mixture is stirred at room temperature over the weekend, filtered to remove CaC03 and then worked up with EtOAc, brine and H20. The aqueous layer is extracted with EtOAc, the extract combined with the organic layer and concentrated. The concentrate is dried over MgS04. The resulting product is recovered by evaporation of the remaining solvent. The 1 S resulting "protected" 1-iodide product is "deprotected" by dissolving in a mixture of MeOH and pyridinum-p-toluene sulfonate (PPTS) and heated, with stirring, to 50°C. The resulting solution is consecutively extracted with 10% citric acid, EtOAc, brine and NaHC03. The aqueous layer is 2 0 extracted with EtOAc, the extract combined with the organic layer, concentrated and dried over MgS04. Upon evaporation the named compound is obtained. Similarly, the 4-m-chlorophenoxy-1-trans-butenyl derivative may be obtained by substitution of the methylsulfonate ester of the 2 5 "protected" derivative of the compound of Example 15 in this preparation.
WO 94/06433 PG'd'/US93/08472 S';vcloyientane heQteneazide-5-cis-2 (3-ahvdroxy-5-nhenvl-1-trans-ne~ tenyll -3. 5 dihvdroxy, lln,~,~,~,a], The named compound is prepared by dissolving the "protected" compound of Example 16 in a solution of NaN3 in dimethyl formamide (DMF) and stirring at room temperature for 20 hours. The resulting mixture is consecutively extracted with water, brine and EtOAc. The aqueous layer is extracted with EtOAc, the extract combined with the organic layer, concentrated and dried over MgS04.
The solvent is evaporated and the residue is purified by 1 S chromatography using a solvent of 20% EtOAc in hexane.
The resulting "protected" product is "deprotected" to yield the named compound by the procedure set forth in Example 17, above.
WO 94/06433 ~ ~ ~ ~ ~ ~ ~ PGT/US93108472 Cvcloyentane methox,~yhehtene-5-cis-2-f3-ahvdroxy-~~, henvl-1-trans-~enten~rll -_3. 5 dihydroxy. fla,~,~,~,~1 A solution of the "protected" compound of Example 16 in DMF is added dropwise to solution of NaH in DMF
maintained under nitrogen at O~C with stirring. Stirring is continued and the solution is allowed to reach room temperature and stirring is continued for 1 S minutes. The solution is then cooled to 0°C. and methyliodide is added and the solution is allowed to warm to room temperature. The resulting mixture is consecutively extracted with 10% citric acid, brine and EtOAc. The resulting aqueous layer is extracted with EtOAc, the extract is combined with the organic layer and the combination is dried over MgS04.
Upon evaporation of the solvent a crude product including the tetrahydropyranyl derivative of the named compound is 2 0 obtained. The crude product is purified by thin liquid chromatography (TLC) using a solvent comprising 30 to 40 percent EtOAc in hexane. The resulting hydropyranyl, derivative is "deprotected" by use of the procedure of Example 17. The "deprotected" product is purified by TLC
2 5 using a solvent comprising 1 to 5 percent acetic acid in EtOAc.
~vclonentane he~gn_yl fluoride-5-cis-2-(3 ahvdroxv-5-ohenvl-1-trans-oentenvll S -3. 5 dihvdroxy, fl~,~",~,~1 The 0.098 rnmoles of the compound of Example 16 (as derived from the Compound of Example 14) is dissolved into a 1.0 m. solution of tetrabutyl ammonium fluoride (Bu4N F ) in THF and stirred at room temperature overnight. (The total amount of Bu4NF is 0.196 mmoles.) TLC shows substantial sulfonate remained so an additional 2.0 m. (4 m.
total) of Bu4NF is added. The mixture is stirred at room temperature for an additional 8 hours at which time it is then warmed up using H20, brine and EtOAc. The aqueous layer was extracted 3 times lOml. with EtOAc while the organic layer was concentrated, and dried using MgS04. The solvents were evaporated to yield 65 mgs. of the "protected"
derivative of the named compound. The "protected"
2 0 derivative of the named compound is purified using a 20%
EtOAc/Hexane. The "protected" derivative of the named compound is "deprotected" by use of the method of Example 17 to yield the named compound.
Examr~le 21 Cvclonentane hepten,~rl nitrate-5-cis-2-(3 ah rox~"~~~henvl-1-trans-nentenyll S -3. 5 dihvdroxy~a~~~~l The named compound is prepared by substituting N a N O 2 in the method of Example 20. Alternatively, the named compound is prepared by reacting the "protected" 1-iodide product of Example 17 with NaN02 in dimethylsulfoxide (DMSO) and "deprotecting" the resulting product as shown in Example 17.
WO 94/06433 ~ PCT/US93/08472 . , . . , , ~~..~'~ -52-~xamyle 22 ~pclonentane hentenecyanide-5-cis-2-(3-ahvdrox~~henyl-1-traps-nentenvll S -3. S dih- dv roxv, fln,~,,~~1 The named compound is prepared by substituting NaCN in the method of Example 20.
' -53-~vclonentane heutene-5-cis-2-l ochvdroxv-5-~I-1-trans-~~en -3. 5 dihyd~r ,g~~~~l 0.293 mmoles of cyclopentafuran -2-one, S-tetrahydropyranyloxy, 4-(3-tetrahydropyranyloxy-1-octene) is dissolved in CH2C12, cooled to -78° C. and 1.0 Molar 1 0 DiBAH in CH2C12 is added until 0.586 mmole of DiBAH is in solution. Stirring is continued for 2 hours and the reaction mixture is quenched with methanol. The quenched mixture is washed into a separatory funnel with 10 ml of Ch2C12 and washed with water. Acetic acid is added until the layers separate. The organic layer is washed with brine. The combined water layers are washed twice with C2C12. The combined organic layers are dried over MgSOq. and concentrated to yield a lactol derivative. 0.331 mmols of the lactol derivative are added to a solution of 0.993 mmols, 2 0 each, of (triphenyl) (n-pentyl) phosphonium bormide and KN(Si(CH3)3)2 in THF, at -78° C. The resulting solution is allowed to warm to room temperature, overnight, and then separated with 20 ml of EtOAc and washed with dilute acetic acid, water and brine, consecutively. The organic layer is 2 5 dried over Mg2S 04 and concentrated to yield a yellow oil which is purified by TLC with EtOAc/Hexane. The resulting "protected" derivative is "deprotected" by the method of Example 17 to yield cyclopentane heptene-5-cis-2-(3-ochydroxy-5-octenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, 5 a]. The 3 0 named compound is prepared by substituting the phenyl pentenyl derivative for the above named cyclopentafuran-2-one.
WO 94/06433 PC'a'/US93/08472 r, The foregoing description details specific methods and compositions that can be employed to practice the present invention, and represents the best mode contemplated.
However, it is apparent from one of ordinary skill in the art S that further compounds with the desired pharmacological properties can be prepared in an analogous manner, and that the disclosed compounds can also be obtained from different starting compounds via different chemical reactions. Similarly, different pharmaceutical compositions may be prepared and used with substantially the same results. Thus, however detailed the foregoing may appear in text, it should not be construed as limiting the overall scope hereof; rather, the ambit of the present invention is to be governed only by the lawful construction of the appended claims.
W~ 94/06433 PGT/US93/08472 ~,~..~~ , _14_ (11) cyclopentane heptene-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa] (Note when X is -H, i.e. hydryl, the correct designation is heptene.) ( 12) cyclopentane N-isopropyl heptene amide-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
1 0 ( 13 ) cyclopentane N-ethyl heptene amide-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
( 14) cyclopentane N-methyl heptene amide-5-cis-2 (3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
(15) cyclopentane heptenol-S-cis-2-(3-ahydroxy-4 m-chlorophenoxy-1-traps-butenyl)-3, 5 2 0 dihydroxy, [ 1 a, 2~, 3a, Sa]
(16) cyclopentane heptenamide-5-cis-2-(3-ahydroxy-4-m-chlorophenoxy-1-traps-butenyl)-3, S dihydroxy, [la, 2~, 3a, Sa]
(17) cyclopentane heptenol-5-cis-2-(3-ahydroxy-5 . phenylpentyl)3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa]
A pharmaceutically acceptable salt is any salt which 3 0 retains the activity of the parent compound and does not impart any deleterious or undesirable effect on the subject to whom it is administered and in the context in which it is administered. Such salts are those formed with WO 94/06433 ~ PCT/US93/08472 pharmaceutically acceptable cations, e.g., alkali metals, alkali earth metals, etc.
Pharmaceutical compositions may be prepared by combining a therapeutically effective amount of at least one compound according to the present invention, or a pharmaceutically acceptable salt thereof, as an active ingredient, with conventional pharmaceutically-acceptable excipients, e.g. an ophthalmically-acceptable vehicle, and by preparation of unit dosage forms suitable for pharmaceutical use, e.g. topical ocular use. The therapeutically efficient amount typically is between about 0.0001 and about 5%
(w/v), preferably about 0.001 to about 1.0% (w/v) in liquid formulations.
For ophthalmic application, preferably solutions are prepared using a physic logical saline solution as a major vehicle. The pH of such ophthalmic solutions should preferably be maintained between 4.5 and 8.0 with an appropriate buffer system, a neutral pH being preferred but not essential. The formulations may also contain conventional, pharmaceutically acceptable preservatives, stabilizers and surfactants.
Preferred preservatives that may be used in the pharmaceutical compositions of the present invention include, but are not limited to, benzalkonium chloride, chlorobutanol, thimerosal, phenylmercuric acetate and phenylmercuric nitrate. A preferred surfactant is, for example, Tween 80'°. Likewise, various preferred vehicles may be used in the ophthalmic preparations of the present invention. These vehicles include, but are not limited to, polyvinyl alcohol, povidone, hydroxypropyl methyl cellulose, poloxamers, ,.carboxymethyl cellulose, hydroxyethyl cellulose 2 0 cyclodextrin and purifies! water.
Tonicity adjustors may be added as needed or convenient. They include, but are not limited to, salts, particularly sodium chloride, potassium chloride, mannitol 2 5 and glycerin, or any other suitable ophthalmically acceptable tonicity adjustor.
Various buffers and means far adjusting pH may be used so long as the resulting preparation is ophthalmically 3 0 acceptable. Accordingly, buffers include acetate buffers, citrate buffers, phosphate buffers and borate buffers. Acids or bases may be used to adjust the pH of these formulations as needed.
~' Trade-mark In a similar vein, an ophthalmically acceptable antioxidant for use in the present invention includes, but is not limited to, sodium metabisulfite, sodium thiosulfate, acetylcysteine, butylated hydroxyanisole and butylated hydroxytoluene.
Other excipient components which may be included in the ophthalmic preparations are chelating agents. The preferred chelating agent is edentate disodium, although other chelating agents may also be used in place of or in conjunction with it.
The ingredients are usually used in the following amounts:
Ingredient Amount (% w/v) I active ingredientabout 0.001-5 ~
I preservative 0-0.10 vehisla 0-40 tonicity adjustor0-10 buffer 0.01-10 pH adjustor q.s. pH 4.5-7.5 antioxidant as needed surfactant as needed purified water as needed to make 100%
The actual dose of the active compounds of the present invention depends on the specific compound, and on the condition to be treated; the selection of the appropriate dose 2 0 is well within the knowledge of the skilled artisan.
The ophthalmic formulations of the present invention are conveniently packaged in forms suitable for metered application, such as in containers equipped with a dropper, to facilitate application to the eye. Containers suitable for dropwise application are usually made of suitable inert, non-toxic plastic material, and generally contain between about 0.5 and about 15 ml solution. One package may S contain one or more unit doses.
Especially preservative-free solutions are often formulated in non-resealable containers containing up to about ten, preferably up to about five units doses, where a typical unit dose is from one to about 8 drops, preferably one to about 3 drops. The volume of one drop usually is about 20-35 ~.1.
The invention is further illustrated by the following non-Limiting Examples.
$~,dioli~and Binding Studies The Radioligand binding studies reported in Figures 1 to 3 were performed on plasma membrane preparations from the rat colon. Tissues were homogenized in buffer (0.25 M sucrose, 50 mM TRIS: pH 7.4) with a polytron homogenizer for 3 secs at setting 7. The homogenate was centrifuged at 200g, the supernatant was filtered through gauze, and the filtrate centrifuged at 177,000g for 40 min.
Enriched plasma membrane fractions were subsequently prepared using two-step discontinuous gradients. The 177,000g pellet was suspended in homogenization buffer and layered over a cushion of 0.842 M sucrose for radiolabelled 17-phenyl PGF2a studies. Centrifugation was then performed at 112,?OOg for 2 hr. The bands at the interface of the sucrose layers were carefully aspirated and centrifuged at 304,000g for 40 min. Ratlioligand binding assays were performed on the pellets, which were suspended with the aid of sonication. Studies with radiolabelled 17-phenyl PGF2a were performed in buffer containing SO mM TRIS-HCI and 2.5 mM Mn C12 at pH 5.75.
2 5 Competition studies were performed vs. SnM3H- 17-phenyl PGF2 a in a total volume of 200 ~ 1. Protein concentrations were approximately 40 ftg/ml for the colon membrane homogenates. Non-specific binding was determined by 10 ~ M of the corresponding unlabelled 3 0 ligand. Studies were terminated by the addition of ace-cold buffer and rapid filtration through Whatman GF/B~ filters using a Braridel~ cell harvester.
* Trade-mark Figure 1 shows that prostaglandin F2a(PGF2a) and 17-phenyl PGF2a both potently displace 3H-17-phenyl PGF2a from its receptor in a dose-related manner. In contrast, 3H -17-phenyl PGF2a is not displaced when the terminal -COON
S group is replaced by an amine or a methylamide group. See Fig. 2 wherein cyclopentane hepteneamine, S-cis-2-(3-hydroxy-5-phenyl-1-trans-pentenyl)-3, S-dihydroxy, [la, 2 ~ , 3a , Sa ] and the N-methyl derivative thereof are compared to 17-phenyl PGF2a for their ability to displace 3H-17-phenyl PGF2a from its receptor. A further example is provided in Fig. 3 where 16-m-chlorophenoxy PGF2 «
potently displaces 3H-17-phenyl PGF2a but the potent displacement observed for 16-m-chlorophenoxy PGF2a is greatly reduced when the terminal -COON group is replaced by -CONH2 as in the compound cyclopentane heptenamide, 5-cis-2-(3-hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5-dihydroxy, ( 1 a, 2~, 3a, Sa] .
~xamgle 2 a~+ Signal in ~wis,F ~T~ Cells Measurement of intracellular [Ca2+] was achieved by incorporating the Ca2+-sensitive fluorescent probe Fura-2 AM into Swiss 3T3 cells in suspension as described in Woodward et al. Advances in Prostaglandin, Thromboxane and Leukotriene Research 21:367, 1990. Fluorescence was 1 0 measured in a Perkin-Elmer LS-5 * spectrophotometer at excitation and emission wavelengths of 340 and 492 nM, respectively. Each experimental determination employed 106 cells suspended in Schmuells buffer: For studies in Ca2~-free Schmuells buffer, each cuvete also contained 0.4mM EGTA. Calibration of the Fura 2 signal was as previously described for Quin 2 and Fura 2 Yamagachi et al.
J. Biological Chemistry 263: 10745, 1988. Briefly the cells were lysed with digitonin (10 ~.I x 100 mg/ml in DMSO).
EGTA (100 mM) and sufficient 10N NaOH to adjust the pH to 8.5 were then successively added to obtain minimum fluorescence.
The effects of the campounds examined on intracellular [Ca2+J are compared as the concentration 2 5 required to produce 50% of the maximal PGF2a response (Table 1 ). Note that replacement of the terminal -COOH
group by a non-acidic substituent universally results in a dramatic reduction in activity.
* Trade-mark WO 94/06433 . ~ ' , , ~ . , , PCT/US93/08472 . able 1 Effect on fCa2+1 in Swiss 3T3 Cells PARENT CONNiPIOLIND E.C.SnlnM1 l 1-1~ER iV ATIVEI
A(CONH2) A(CON CH ) 6 5 0 0 0 A(OH) > 10,000 A(OCH3) > 10,000 A(F) >10,000 A(N02) > 10,000 A(NH2) > 10,000 A(I) >10,000 A(CN) > 10,000 A(N3) > 10,000 A(CH3) > 10,000 17- hen 1 PGF2a 1 3 B(CONH2) 9 0 0 B(OH) > 10, 000 A is cyclopentane heptenoic acid, 5-cis-2-(3-a-hydroxy-1-trans-octenyl)-3, S-dihydroxy, [ 1 a, 2~, 3a, Sa) WO 94/06433 , 'PCT/US93/08472 B is cyclopentane heptanoic acid, 5-cis-2-(3-a-hydroxy-5-phenyl-1-trans-pentenyl)-3, 5-dihydroxy, [ 1 a, 2~, 3a, Sa]
~x~tng~,e pNA Synthesis in Sw~i~s T~ Cells Swiss mouse 3T3 cells were maintained in Dulbecco's modified Eagle's mediutrr~ (DMEM) low glucose and supplemented with 10°lo fetal bovine serum (FBS), 2 mM 1-glutamine and 1 % antibiotic-antimycotic 100X. The cultures were incubated in 5% C02 in air at 37°C. Confluent cultures were trypsinized and plated in quadruplicate cultures for experiments. Cells were plated at 1 x 105 cells per 35 mm well in DMEM containing 10°lo FBS in 6-well cluster plates and allowed to become confluent in 3 days. The cells were then made quiescent by washing them with Hank's balanced salt solution (HBSS) and incubating them for 24 hours in DMEM with 0.5°lo FBS. The cultures were then refed fresh DMEM containing 0.5% FBS and various concentrations of the compounds of interest. All compounds were dissolved in absolute ethanol, diluted with sterile filtered normal saline 2 0 and added to the medium so that the final ethanol control cultures were incubated in medium containing 0.01 % or less.
The vehicle control cultures were incubated in medium containing 0.01 °lo ethanol in saline. Cultures were incubated for 22 hours before pulse-labeling with ([3H]-TdR).
Pulse-labeling of the cultures consisted of collecting the conditioned, drug-treated or control containing media, then adding 1 ~ Ci/ml[3H)-TdR and incubating the cultures in the (3H]-TdR containing medium for 5 hours. The cells were 3 0 then washed with phosphate buffered saline and fixed with 6% trichloroacetic acid' (TCA). The cells were scraped from the culture wells and transferred to tubes. Each well was rinsed with 6% TCA and the rinse was added to the appropriate tubes. Each well was rinsed with 6% TCA and Trade-mark the rinse was added to the appropriate tubes. After centrifugation at 2800 RPM for 20 minutes at room temperature, an aliquot of the supernatant containing unincorporated (3H]-TdR(S1) wasr transferred to scintillation tubes. Radioactivity was measured by liquid-scintillation counting using Beckman HP* cocktail. The remainder S 1 supernatant was decanted and 3% perchloric acid (PCA) was added to the cell pellet. The DNA was denatured by placing the tubes' in heating blocks at 9S° C for 20 minutes, followed by placing the tubes in an ice bath for 15 minutes,. After centrifugation as before, an aliquot of the supernatant containing [31i]-T dR incorporated into DNA (S2) was assayed for radioactivity by scintillation counting.
An aliquot of the remaining S2 supernatant was assayed for quantity of DNA by the diphenylamine method.
DNA standards, prepared from salmon testes DNA, and the samples were mixed with the diphenylamine reagent and incubated in a water bath with shaking at 30° C for 6-24 2 0 hours. The diphenylamine reagent was prepared with 1.5%
diphenylamine in glacial acetic acid and per 100 ml of the solution, by adding 1.5 ml of concentrated sulfuric acid and 0.5 ml of 1.6°l° acetaldehyde. Absorbance of the DNA
standards and samples were measured in a Beckman 2 S Biomek* spectrophotometer at 600 nM wavelength.
The data was expressed as CPM([3H)-TdR incorporated into DNA) per ug DNA and the mean of the quadruplicate samples was obtained for each experiment. The results 3 0 were presented as per cent of the vehicle control.
Table 2 shows that although PGF2a and 17-phenyl PGF2a potently increased DNA synthesis, replacement of the -COOH group by -OH resulted in a complete loss of activity.
* Trade-mark These results imply that the potential for fibrosis associated with prostanoids may be avoided by the nonacidic derivatives of this invention.
WO 94/06433 g ~ ~ PGT/US93/08472 (E.C.sp Values are 50°l0 of maximal DNA synthesis response) PARENT co~ouND ~o f nMl - (1-DERIVATIVE) A(OH) > 10,000 17- hen 1 PGF~ 5 0 B O > 10,000 The external rabbit jugular vein was used for vasorelaxation studies. A 3 mM ring was suspended in a 5 ml organ bath containing Krebsk buffer and 1 p M
indomethacin. 'The ring was pre-contracted with 1~-5 M
histamine to enable evaluation of vasorelaxation.
.10 Results of these studies are given in Table 3. Potent vasodilator propet-ties were apparent, the isopropylamide substituent unexpectedly provided a vasodilator with very high activity.
* Trade-mark (E.C.25 is the dose [M] to cause a 25% relaxation) E.C.~S fnMl DERIVATIVE) 17- hen 1 PGF2a 5 7 A CONH2) 2 8 7 A(CON CH 2) 7 3 A CONH iso ro 1 ) '7,9 Exar Smooth Muscle Stimulation The ability of the nonacidic derivatives of this invention to contract a variety of smooth muscle preparations were determined. Isolated smooth muscle responses were evaluated in the conventional way, using an organ bath and a force displacement transducer. The preparations are the cat iris, ileum (guinea-pig and chick), rat colon, and rat aorta. Table 4 summarizes the results.
It can be seen that replacement of the carboxylic acid moiety results in compounds with minimal or absent contractile activity on the arterial smooth muscle (aorta) or ileum preparations. In contrast, surprisingly potent activity is retained for the cat iris and the rat colon.
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fsa(~1a.1G~.1i~Gcai~-1~ V V ~~G~ V o La 'Ci ,~ ~ ~ °~ PCT/US93/08472 r Intraocular Pressure Intraocular pressure was measured by pneumatonometry in male and female Beagle dogs (10-15 kg). Studies were performed in conscious animals trained to accept pneumatonometry. Drugs were administered topically to one eye in a 25 ~.1 volume drop, the contralateral eye received vehicle as a control. Statistical analysis was by Student's paired t test.
Replacement of the -COOH by a diverse variety of substituents resulted in potent ocular hypotensive agents, despite the inability of these agents to bind to prostanoid receptors or elicit a Ca2+ second message as shown above.
The intraocular pressure results are summarized in Table 5.
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WO 94/06433 PGT/~JS93/08472 _36_ ]~xarnple 7 Inhibition of Neuronally Mediated Contraction of the Vas Deferens Field stimulation of the isolated guinea-pig vas deferens results in contraction of the tissue. This provides a useful preparation for evaluating the effect of drugs on sympathetic neuronal transmission. 17-phenyl PGF2a produced inhibition of this response whereas replacement of the -COOH moiety in this series of compounds resulted in either reduction or abolition of this activity (See Table 6 below).
Table 6 Inhibition of Contraction of the Field-Stimulated Guinea Pig Vas Deferans E.C.Sp values represent the concentration [nM]
required to produce 50°l0 of the maximal PGE2 effect.
COMPOUND F~,SO nM
(1-DERIVATIVEI
17- hen 1 PGF2a 2 8 2 B(CONH2 > 10,000 B OIL __ B 2) > 10,000 B CONH CH 2 ,18 8 B(CON(CH 2 > 10,000 WO 94/06433 PCl'/US93/08472 ~,yclooentane methvlheotenoate-5-cis-2 (3-ahvdroxv-4-m-chlorooh~ -1-traps-butenvll -3. 5 dihydrox~~~~l To a stirred solution of cyclopentane heptenoic acid, 5-cis-2-(3-a hydroxy-4-m-chlorophenoxy-1-traps-butenyl)-3,5-dihydroxy, [la, 2~, 3a, Sa] (24 mg. 0.0565 mmol) in acetone (0.6 ml) at room temperature was added I , 8 diazabicyclo [5.4Ø] undec-7-ene (DBU) (40, u1, 0.27 mmol) and methyl iodide (20 u1, 0.32 mmol). The reaction turned yellow with the DBU addition. The reaction was maintained at room temperature for 6.5 hours, then was diluted with ethyl acetate (30 ml) and filtered through a plug of celite with the aid of ethyl acetate. After concentration in vacuo, the residue was flushed with ethylacetate (EtOAc) through a 2 0 20 mm x 160 mm column of silica to give the desired methyl ester.
WO 94/06433 ~ PCpT/US93/08472 CvcloDentane heDtenamide-5-cis-2 f3-ahydw-4-m-chloronh~y-1-tranc-buteny~
-_3. 5 dihlrd-y. 11n,~,~,,~~, A mixture of the methyl ester of Example 8 (9.2 mg, 0.0222 mmol) and NH4Cl (10 mg, 0.187 mmol) in NH3 was heated at 80° C. for 12 hours. After cooling to room temperature, the solvents were evaporated and the residue was subjected to column chromatography to provide the named amide as 7.2 mg of a clear, colorless liquid.
_40_ ~vclonentane rnethvl he~~tenoate-5-cis-2 l3-ahvdroxy-5-phenyl-1-traps-~entenvll -3.5 dij~droxy. ~ln~~,,~"al To a stirred solution of cyclopentane heptenoic acid, 5-cis-2-(3-a hydroxy-5-phenyl-1-traps-pentenyl)-3, 5 1 0 dihydroxy, [la, 2~, 3a, Sa] (24 mg. 0.0565 mmol) in acetone (0.6 ml) at room temperature was added DBU (40, u1, 0.27 mmol) and methyl iodide (20 u1, 0.32 mmol). The reaction turned yellow with the DBU addition. The reaction was maintained at room temperature for 6.5 hours, then was diluted with ethyl acetate (30 ml) and filtered through a plug of celite with the aid of ethyl acetate. After concentration in vacuo, the residue was flushed with ethylacetate (EtOAc) through a 20 mm x 160 mm column of silica to give the desired methyl ester.
WO 94/06433 ~ ~ PCT/US93/08472 ~vclonentane he~~ide -5-cis -_2-l3-ahYd~v-5-p~vl-1-traps-~~en env, ~YS~.L~xY.~....t.l.a,~-?r~i.,.~.a,~.~.ocl A solution of the methyl ester of Example 10 and NH4Cl in NH3 was heated at 80°C. for 36 hours in a sealed tube. After cooling the reaction vessel to -78°C., the plug was removed and the ammonia was allowed to evaporate while warming to room temperature. The residue was taken up in EtOAc (30 ml) and filtered through a plug of celite.
Concentration in vacuo gave a clear, yellow oil that was purified by flash chromatography, using EtOAc, through a 1 5 160 mm x 1 mm column of silica to give the desired amide.
' ~ ~l I,iyclonentane N, N-dimethvlheytenamide-5-cis -2-(3-ahvdroxy-5-y~henvl-1-traps-ne~yll-3.
5 d i hyd roxy, f 1 ~,,,~,~,."~,a,~l A solution of the methyl ester of Example 10 (29.1 mg, 0.0723 mmol) and methanol (MeOH) (2 ml) in dimethylamine (8 ml) was heated at 80-85 C. for 36 hours.
After cooling to room temperature the sealed tube was opened and the excess amine was allowed to evaporate.
Concentration of the residue in vacuo followed by flash chromatography with 10% EtOAc/MeOH through a 20 mm x 120 rnm column of silica to yield the named amideas 9.2 mg of a clear, slightly yellow oil and 14.8 mg recovered of the ester. Similarly the N-isopropyl, N-methyl and N-ethyl derivative can be prepared by substituting isopropylamine, methylamine and ethylamine, respectiv ely for dimethylamine.
~,yclonentane henteneamine-5-cis-2 ~3-ahvdrox~ en~l-1-trans-yenten, I1~-~
5 dihvdroxy,, flc,~,~,~1 To a solution of the amide of Example 11 in tetrahydrofuran (THF) at 0° C. was added dropwise a stock solution of lithium aluminumhydride (LiAIH) in THF. The reaction turned turbid white during this addition. After 2 hours, the reaction was removed from the cold bath and allowed to warm to room temperature over 15 minutes.
Upon reaching room temperature, the reaction was quenched by cautious addition of 1N HCl (--0.5 ml) then 1 S concentrated in vacuo to remove the THF. The residue was digested with --1 ml of 0.5 ml LiOH, then extracted into chloroform (5 ml). The chloroform layer was then concentrated in vacuo. Flash chromatography using an 8:1:1 EtOAc: MeOH: triethylamine (Et3N) through a 10 mm x 100 2 0 mm column of silica gel gave the desired amine as 10.7 mg of a clear oil. The oil was evaporated to constant weight on high vacuum overnight. Similarly, the 1-dimethylamino derivative can be prepared by substituting the 1 dimethylamido derivative .of Example 12 for the amide of 2 5 Example 11.
~,y~jQDentane hentenol-5-cis-2 (3-ochvdroxy-5-~~henvl-1-traps-nentenvll S -3. 5 dihydroxy, fln~,~,~.1 To a solution of cyclopentane heptenoic acid-S-cis-2-(3ahydroxy-5-phenyl-1-traps-pentenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, Sa) in ethyl ether (Et20) was added a CH2N 2 solution until the mixture turned yellow. The mixture was then quenched with acetic acid until colorless. . The solvents were removed under vacuum and residue pumped down on high vacuum for several hours. The resulting methyl ester was then taken up in CH2C12 and cooled to -78° C. in a dry 1 S icelacetone bath. A dibutylaluminum hydride solution was then added hourly and the resulting reaction was allowed to warm to room temperature over 5 hours. The mixture was then quenched with MeOH. The resulting solution was transferred to a flask and diluted with --Sml CH2CI2. ~5 ml of 2 0 a saturated potassium sodium tartrate tetrahydrate solution was added and the resulting cloudy mixture was allowed to stir for 3 hours at which time the solution had cleared and the organic and water layers has separated. The mixture was transferred to a separatory funnel and separated. The 2 5 organic layer was washed, consecutively, with --5 ml of H20 and ~5 ml of brine, dried over MgS04 and concentrated to yield a yellow oil. Flash chromatography over Si02, with an eluant varying from 1% MeOH/CH2C12 to 5% MeOH/CH2C12 gave 32.2 mg of the desired product as a colorless oil.
WO 94106433 ~ PGT/US93/08472 Cy~jQ,nentane heotenol-5-cis-2 f3-ahvdw-4-m-chloroDhenoxv-1-trans-buten,~~l) -3. 5 dih, dw. fln~~,~,1 To a solution of cyclopentane heptenoic acid-5-cis-2-(3-ahydroxy-5-phenyl-1-traps-pentenyl)-3, S dihydroxy, [ 1 a,2 ~,3 a,5 a] (24.0 mg, 0.0565 mml) in THF at 0° C. was added a stock solution of LiAIH (1.0 m, 0.11 ml, 0.11 mml).
The resulting mixture was maintained at 0° C. for 2 hours, then was quenched by addition of 1N HCl (--0.2 ml). The reaction was transferred into a separatory funnel with the aid of brine (5 ml) and CHC13 (10 ml). The layers were separated and the aqueous portion was further extracted with two Sml portions of CHCl3. The combined organic layers were then concentrated and purified by passing through a column of silica using 5% MeOH in EtOAc as the eluant.
WO 94/06433 , PCT/US93/08472 _46_ ~,yclo~rentane he~rtenol-5-cis-2 (3-a tetrahvdro-2H-Qvr~. Iv oxv:
S ~nhenvl-1-traps-pentenyl)-3.5 di-tetra hvdro-2-H-nvran-2-vloxy, flai2B.3a.5a1 A "protected" methylsulfonate ester of the named compound of Example 14 is prepared by preparing a derivative of said named compound, wherein said hydroxyl groups are protected by conversion into tetrahydropyranyl derivatives, by methods known in the art. For example, see U.S. Patent 4,154,949 to Johnson et al, which issued 15 May 1979. Said derivatives are diluted in methylene chloride, cooled to 0° C., Et3N and CH3S02C1 are consecutively added and the organic layer is extracted and dried over MgS04.
The solvent is evaporated to yield the methylsulfonate ester of the "protected" derivative. Similarly, the methylsulfonate 2 0 ester of the "protected" derivative of Example 15 may be prepared by substitution of the named compound of Example 15 in the above preparation.
rvclonentane he~itenyliodide-S-cis-2 ~~y~v-5-n_ henvl-1-trans-ne_, nten~
-_3.5 d;h~droxX~fl:.
The "protected" compound of Example 16 is dissolved in acetone and then NaI and CaC03 are added. The mixture is stirred at room temperature over the weekend, filtered to remove CaC03 and then worked up with EtOAc, brine and H20. The aqueous layer is extracted with EtOAc, the extract combined with the organic layer and concentrated. The concentrate is dried over MgS04. The resulting product is recovered by evaporation of the remaining solvent. The 1 S resulting "protected" 1-iodide product is "deprotected" by dissolving in a mixture of MeOH and pyridinum-p-toluene sulfonate (PPTS) and heated, with stirring, to 50°C. The resulting solution is consecutively extracted with 10% citric acid, EtOAc, brine and NaHC03. The aqueous layer is 2 0 extracted with EtOAc, the extract combined with the organic layer, concentrated and dried over MgS04. Upon evaporation the named compound is obtained. Similarly, the 4-m-chlorophenoxy-1-trans-butenyl derivative may be obtained by substitution of the methylsulfonate ester of the 2 5 "protected" derivative of the compound of Example 15 in this preparation.
WO 94/06433 PG'd'/US93/08472 S';vcloyientane heQteneazide-5-cis-2 (3-ahvdroxy-5-nhenvl-1-trans-ne~ tenyll -3. 5 dihvdroxy, lln,~,~,~,a], The named compound is prepared by dissolving the "protected" compound of Example 16 in a solution of NaN3 in dimethyl formamide (DMF) and stirring at room temperature for 20 hours. The resulting mixture is consecutively extracted with water, brine and EtOAc. The aqueous layer is extracted with EtOAc, the extract combined with the organic layer, concentrated and dried over MgS04.
The solvent is evaporated and the residue is purified by 1 S chromatography using a solvent of 20% EtOAc in hexane.
The resulting "protected" product is "deprotected" to yield the named compound by the procedure set forth in Example 17, above.
WO 94/06433 ~ ~ ~ ~ ~ ~ ~ PGT/US93108472 Cvcloyentane methox,~yhehtene-5-cis-2-f3-ahvdroxy-~~, henvl-1-trans-~enten~rll -_3. 5 dihydroxy. fla,~,~,~,~1 A solution of the "protected" compound of Example 16 in DMF is added dropwise to solution of NaH in DMF
maintained under nitrogen at O~C with stirring. Stirring is continued and the solution is allowed to reach room temperature and stirring is continued for 1 S minutes. The solution is then cooled to 0°C. and methyliodide is added and the solution is allowed to warm to room temperature. The resulting mixture is consecutively extracted with 10% citric acid, brine and EtOAc. The resulting aqueous layer is extracted with EtOAc, the extract is combined with the organic layer and the combination is dried over MgS04.
Upon evaporation of the solvent a crude product including the tetrahydropyranyl derivative of the named compound is 2 0 obtained. The crude product is purified by thin liquid chromatography (TLC) using a solvent comprising 30 to 40 percent EtOAc in hexane. The resulting hydropyranyl, derivative is "deprotected" by use of the procedure of Example 17. The "deprotected" product is purified by TLC
2 5 using a solvent comprising 1 to 5 percent acetic acid in EtOAc.
~vclonentane he~gn_yl fluoride-5-cis-2-(3 ahvdroxv-5-ohenvl-1-trans-oentenvll S -3. 5 dihvdroxy, fl~,~",~,~1 The 0.098 rnmoles of the compound of Example 16 (as derived from the Compound of Example 14) is dissolved into a 1.0 m. solution of tetrabutyl ammonium fluoride (Bu4N F ) in THF and stirred at room temperature overnight. (The total amount of Bu4NF is 0.196 mmoles.) TLC shows substantial sulfonate remained so an additional 2.0 m. (4 m.
total) of Bu4NF is added. The mixture is stirred at room temperature for an additional 8 hours at which time it is then warmed up using H20, brine and EtOAc. The aqueous layer was extracted 3 times lOml. with EtOAc while the organic layer was concentrated, and dried using MgS04. The solvents were evaporated to yield 65 mgs. of the "protected"
derivative of the named compound. The "protected"
2 0 derivative of the named compound is purified using a 20%
EtOAc/Hexane. The "protected" derivative of the named compound is "deprotected" by use of the method of Example 17 to yield the named compound.
Examr~le 21 Cvclonentane hepten,~rl nitrate-5-cis-2-(3 ah rox~"~~~henvl-1-trans-nentenyll S -3. 5 dihvdroxy~a~~~~l The named compound is prepared by substituting N a N O 2 in the method of Example 20. Alternatively, the named compound is prepared by reacting the "protected" 1-iodide product of Example 17 with NaN02 in dimethylsulfoxide (DMSO) and "deprotecting" the resulting product as shown in Example 17.
WO 94/06433 ~ PCT/US93/08472 . , . . , , ~~..~'~ -52-~xamyle 22 ~pclonentane hentenecyanide-5-cis-2-(3-ahvdrox~~henyl-1-traps-nentenvll S -3. S dih- dv roxv, fln,~,,~~1 The named compound is prepared by substituting NaCN in the method of Example 20.
' -53-~vclonentane heutene-5-cis-2-l ochvdroxv-5-~I-1-trans-~~en -3. 5 dihyd~r ,g~~~~l 0.293 mmoles of cyclopentafuran -2-one, S-tetrahydropyranyloxy, 4-(3-tetrahydropyranyloxy-1-octene) is dissolved in CH2C12, cooled to -78° C. and 1.0 Molar 1 0 DiBAH in CH2C12 is added until 0.586 mmole of DiBAH is in solution. Stirring is continued for 2 hours and the reaction mixture is quenched with methanol. The quenched mixture is washed into a separatory funnel with 10 ml of Ch2C12 and washed with water. Acetic acid is added until the layers separate. The organic layer is washed with brine. The combined water layers are washed twice with C2C12. The combined organic layers are dried over MgSOq. and concentrated to yield a lactol derivative. 0.331 mmols of the lactol derivative are added to a solution of 0.993 mmols, 2 0 each, of (triphenyl) (n-pentyl) phosphonium bormide and KN(Si(CH3)3)2 in THF, at -78° C. The resulting solution is allowed to warm to room temperature, overnight, and then separated with 20 ml of EtOAc and washed with dilute acetic acid, water and brine, consecutively. The organic layer is 2 5 dried over Mg2S 04 and concentrated to yield a yellow oil which is purified by TLC with EtOAc/Hexane. The resulting "protected" derivative is "deprotected" by the method of Example 17 to yield cyclopentane heptene-5-cis-2-(3-ochydroxy-5-octenyl)-3, 5 dihydroxy, [ 1 a, 2~, 3a, 5 a]. The 3 0 named compound is prepared by substituting the phenyl pentenyl derivative for the above named cyclopentafuran-2-one.
WO 94/06433 PC'a'/US93/08472 r, The foregoing description details specific methods and compositions that can be employed to practice the present invention, and represents the best mode contemplated.
However, it is apparent from one of ordinary skill in the art S that further compounds with the desired pharmacological properties can be prepared in an analogous manner, and that the disclosed compounds can also be obtained from different starting compounds via different chemical reactions. Similarly, different pharmaceutical compositions may be prepared and used with substantially the same results. Thus, however detailed the foregoing may appear in text, it should not be construed as limiting the overall scope hereof; rather, the ambit of the present invention is to be governed only by the lawful construction of the appended claims.
Claims (31)
1. The use of a compound for the manufacture of a medicament for treating ocular hypertension, the compound having the formula I
wherein the dashed bonds represent a single or double bond which can be in the cis or trans configuration, A is an alkylene or alkenylene radical having from two to six carbon atoms, which radical may be substituted with one or more hydroxyl, oxo, alkyloxy or alkylcarboxy groups, B is a cycloalkyl radical having from three to seven carbon atoms, or an aryl radical, selected from the group consisting of hydrocarbyl aryl and heteroaryl radicals wherein the heteratom is selected from the group consisting of nitrogen, oxygen and sulfur atoms, X is a radical selected from the group consisting of halo, hydryl, hydroxyl, nitro, amino, azido, oxime, cyano, thiol, alkoxy and thio ether radicals or X together with the carbon atom to which it is attached forms an amido group, R1 and R2 are -OH or a -O(CO)R6 group or R1 is =O and R2 is H;
wherein R6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to 20 carbon atoms, or -(CH2)m R7 wherein m is 0-10, and R7 is cycloalkyl radical, having from three to seven carbon atoms, or a hydrocarbyl aryl or heteroaryl, as defined above; or a pharmaceutically-acceptable salt thereof.
wherein the dashed bonds represent a single or double bond which can be in the cis or trans configuration, A is an alkylene or alkenylene radical having from two to six carbon atoms, which radical may be substituted with one or more hydroxyl, oxo, alkyloxy or alkylcarboxy groups, B is a cycloalkyl radical having from three to seven carbon atoms, or an aryl radical, selected from the group consisting of hydrocarbyl aryl and heteroaryl radicals wherein the heteratom is selected from the group consisting of nitrogen, oxygen and sulfur atoms, X is a radical selected from the group consisting of halo, hydryl, hydroxyl, nitro, amino, azido, oxime, cyano, thiol, alkoxy and thio ether radicals or X together with the carbon atom to which it is attached forms an amido group, R1 and R2 are -OH or a -O(CO)R6 group or R1 is =O and R2 is H;
wherein R6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to 20 carbon atoms, or -(CH2)m R7 wherein m is 0-10, and R7 is cycloalkyl radical, having from three to seven carbon atoms, or a hydrocarbyl aryl or heteroaryl, as defined above; or a pharmaceutically-acceptable salt thereof.
2. A pharmaceutical composition comprising a compound of the formula I as defined in claim 1 wherein B is an aryl radical and a pharmaceutically acceptable earner therefor.
3. A pharmaceutical composition comprising a compound of formula II
wherein y is 0 or 1 and either the .alpha. or .omega. chain may be unsaturated, Y is a radical selected from the group consisting of halo, nitro, amino, thiol, hydroxyl, alkyloxy and alkylcarboxy, n is 0 or an integer of from 1 to 3, R3 is =O; -OH or -O(CO)R6 and R1, R2, R6 and X are as previously defined in claim 1, and a pharmaceutical acceptable carrier thereof.
wherein y is 0 or 1 and either the .alpha. or .omega. chain may be unsaturated, Y is a radical selected from the group consisting of halo, nitro, amino, thiol, hydroxyl, alkyloxy and alkylcarboxy, n is 0 or an integer of from 1 to 3, R3 is =O; -OH or -O(CO)R6 and R1, R2, R6 and X are as previously defined in claim 1, and a pharmaceutical acceptable carrier thereof.
4. The composition of claim 3 wherein said compound is a compound of formula III
wherein hatched lines indicate a configuration and solid triangles indicate .beta.
configuration, and R1, R2, ,R3 and X are as previously defined.
wherein hatched lines indicate a configuration and solid triangles indicate .beta.
configuration, and R1, R2, ,R3 and X are as previously defined.
5. The composition of claim 4 wherein said compound is a compound of formula IV
6. The composition of claim 5 wherein said compound is a compound of formula V
and the 9- and/or 11- and/or 15 esters, thereof.
and the 9- and/or 11- and/or 15 esters, thereof.
7. The composition of claim 2 wherein X is selected from the group consisting of -H -F, -I, -NO2, -OH =N-OH, -C=N, -SH and -OR5 or together with the carbon atom to which it is attached forms -C(O)N(R4)(R4) wherein R4, is hydrogen or C1 to C3 alkyl, and R5 is C1 to C3 alkyl.
8. The composition of claim 7 wherein R4 is hydrogen.
9. A pharmaceutical composition comprising a compound selected from the group consisting of:
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.;]
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.;]
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl methoxide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl fluoride-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl nitrate-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha. 5.alpha.];
cyclopentane heptenyliodide-.5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenecyanide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane hepteneazide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptene-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-isopropyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-ethyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-4-m-clorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha. 5.alpha.]; and cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenylpentenyl)-3.5 dihydroxy.
[1.alpha., 2.beta., 3.alpha., 5.alpha.];
and a pharmaceutically acceptable carrier therefor.
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.;]
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.;]
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl methoxide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl fluoride-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl nitrate-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha. 5.alpha.];
cyclopentane heptenyliodide-.5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenecyanide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane hepteneazide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptene-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-isopropyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-ethyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-4-m-clorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha. 5.alpha.]; and cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenylpentenyl)-3.5 dihydroxy.
[1.alpha., 2.beta., 3.alpha., 5.alpha.];
and a pharmaceutically acceptable carrier therefor.
10. The composition of claim 8 wherein X is a hydroxyl radical or together with the carbon atom to which it is attached forms an amido group.
11. The cornpusition of claim 8 wherein said compound is selected from the group consisting of:
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]:
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenylpentyl)-3, 5 dihydroxy.
[1.alpha., 2.beta., 3.alpha., 5.alpha.].
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]:
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane heptenol-5-cis-2-(3-.alpha.hydroxy-5-phenylpentyl)-3, 5 dihydroxy.
[1.alpha., 2.beta., 3.alpha., 5.alpha.].
12. A pharmaceutical composition comprising a compound selected from:
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3.
5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-isopropyl heptenamide-5-cis-2(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-t-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-in-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha], and a pharmaceutically acceptable carrier therefor.
cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3.
5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-isopropyl heptenamide-5-cis-2(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-t-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-5-in-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha], and a pharmaceutically acceptable carrier therefor.
13. A pharmaceutical composition comprising cyclopentane N-ethyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.alpha., 3.alpha., 5.alpha.] and a pharmaceutically acceptable carrier therefor.
14. A compound of formula I
wherein the dashed bonds represent a single or double bond which can be in the cis ur traps configuration, A is an alkylene or alkerrylene radical having from two to six carbon atoms, which radical may be substituted with one or more hydroxy, oxo, alkyloxy or alkylcarboxy groups, B is an aryl radical, selected from hydrocarbyl aryl and heteroaryl radicals wherein the heteratom is selected from the group consisting of nitrogen, oxygen and sulfur atoms, X is a radical selected from the group consisting of halo, hydryl, nitro, amino, azido, oxime, cyano, alkoxy and thioether radicals or X together with the carbon atom to which it is attached forms -C(O)N (R4) (R4) wherein R4 is hydrogen or C1 to C3 alkyl, provided that at least one of R4 is to C3 alkyl; R1 and R2 are -OH or a -O(CO)R6 group or R1 is =O and R2 is H;
wherein R6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to 20 carbon atoms, or -(CH2)mR7 wherein m is 0-10, and R7 is cycloalkyl radical, having from three to seven carbon atoms, or a hydrocarbyl aryl or heteroaryl group, as defined above; or a pharmaceutically acceptable salt thereof; but excluding compounds of the formula I wherein, in combination, R, and R2 are both a-acetoxy, A-B is a-phenethyl or .alpha.-styryl, the 1-substituent on the cyclopentane ring is in the a-configuration and is saturated, and X is methoxy or bromo; provided the compound is not dl-1-Bromo-16,20-methanoprost-13E-en-9one or 1-Mercapto-16,20-methanoprost-13E-en-9.beta.,11.alpha., 15R-triol.
wherein the dashed bonds represent a single or double bond which can be in the cis ur traps configuration, A is an alkylene or alkerrylene radical having from two to six carbon atoms, which radical may be substituted with one or more hydroxy, oxo, alkyloxy or alkylcarboxy groups, B is an aryl radical, selected from hydrocarbyl aryl and heteroaryl radicals wherein the heteratom is selected from the group consisting of nitrogen, oxygen and sulfur atoms, X is a radical selected from the group consisting of halo, hydryl, nitro, amino, azido, oxime, cyano, alkoxy and thioether radicals or X together with the carbon atom to which it is attached forms -C(O)N (R4) (R4) wherein R4 is hydrogen or C1 to C3 alkyl, provided that at least one of R4 is to C3 alkyl; R1 and R2 are -OH or a -O(CO)R6 group or R1 is =O and R2 is H;
wherein R6 is a saturated or unsaturated acyclic hydrocarbon group having from 1 to 20 carbon atoms, or -(CH2)mR7 wherein m is 0-10, and R7 is cycloalkyl radical, having from three to seven carbon atoms, or a hydrocarbyl aryl or heteroaryl group, as defined above; or a pharmaceutically acceptable salt thereof; but excluding compounds of the formula I wherein, in combination, R, and R2 are both a-acetoxy, A-B is a-phenethyl or .alpha.-styryl, the 1-substituent on the cyclopentane ring is in the a-configuration and is saturated, and X is methoxy or bromo; provided the compound is not dl-1-Bromo-16,20-methanoprost-13E-en-9one or 1-Mercapto-16,20-methanoprost-13E-en-9.beta.,11.alpha., 15R-triol.
15. A compound of formula II
wherein y is 0 or 1 and either the a or w chain may be saturated, Y is a radical selected from halo, nitro, amino, thiol, hydroxy, alkyloxy and alkylcarboxyl, n is 0 or an integer of from 1 to 3, R2 is -OH or -O(CO)R6, R3 is =O, OH or -O(CO)R6 and R1, R6 and X are as previously defined in claim 14.
wherein y is 0 or 1 and either the a or w chain may be saturated, Y is a radical selected from halo, nitro, amino, thiol, hydroxy, alkyloxy and alkylcarboxyl, n is 0 or an integer of from 1 to 3, R2 is -OH or -O(CO)R6, R3 is =O, OH or -O(CO)R6 and R1, R6 and X are as previously defined in claim 14.
16. A compound according to claim 15 wherein said compound is a compound of formula III
wherein hatched lines indicate .alpha. configuration and solid triangle indicate .beta.
configuration and R1, R2, R3 and X are as previously defined.
wherein hatched lines indicate .alpha. configuration and solid triangle indicate .beta.
configuration and R1, R2, R3 and X are as previously defined.
17. A compound according to claim 16 wherein said compound is a compound of formula IV
wherein hatched lines indicate a configuration and solid triangle indicate .beta.
configuration and R1, R2, R3 and X are as previously defined.
wherein hatched lines indicate a configuration and solid triangle indicate .beta.
configuration and R1, R2, R3 and X are as previously defined.
18. A compound according to claim 17 wherein said compound is a compound of formula V
and the 9- and/or 11- and /or 15 esters, thereof.
and the 9- and/or 11- and /or 15 esters, thereof.
19. A compound according to claim 14 wherein X is selected from the group consisting of -H, -F, -I, -NO2, -N(R4)(R4), =N-OH, -C=N, -SH and -OR5 or together with the carbon atom to wich it is attached forms is -C(O) N(R4)(R4) wherein R4 is hydrogen or C1 to C3 alkyl, and R5 is C1 to C3 alkyl.
20. A compound accbrding to claim 19 wherein R4 is hydrogen.
21. A compound selected from:
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl methoxide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl fluoride-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha.. 5.alpha.];
cyclopentane heptenyl nitrate-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyliodide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane hepteneamine-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenecyanide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane hepteneazide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptene-5-cis-2- (3-.alpha.hydroxy-5-phenyl-(-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.);
cyclopentane N-isopropyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydrox, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-ethyl heptene amide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl methoxide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyl fluoride-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha.. 5.alpha.];
cyclopentane heptenyl nitrate-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenyliodide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane hepteneamine-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptenecyanide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane hepteneazide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane heptene-5-cis-2- (3-.alpha.hydroxy-5-phenyl-(-trans-pentenyl)-3, dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.);
cyclopentane N-isopropyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydrox, [1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-ethyl heptene amide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]
22. A compound according to claim 20 wherein X is an amino radical or together with the carbon atom to which it is attached forms an amido group.
23. A compound according to claim 21 wherein said compound is selected from:
cyclopentane hepteneamine-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy. [1.alpha., 2.beta., 3.alpha., 5.alpha.]:
cyclopentane hepteneamine-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane heptenamide-5-cis-2-(3-.alpha.hydroxy-4-m-chlorophenoxy-1-trans-butenyl)-3, 5 dihydroxy. [1.alpha., 2.beta., 3.alpha., 5.alpha.]:
24. A compound selected from:
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, (1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-isopropyl heptene amide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.].
cyclopentane N,N-dimethylheptenamide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, (1.alpha., 2.beta., 3.alpha., 5.alpha.];
cyclopentane N-isopropyl heptene amide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]; and cyclopentane N-methyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.].
25. A compound of the formula I, II, III, IV or V as defined in any one of claims 14 to 20 for use in the treatment of cardiovascular, pulmonary, respiratory, gastrointestinal, reproductive and allergic diseases and shock in a human.
26. The use of a compound of the formula I, II, III, IV or V as defined in any one of claims 14 to 20 for the manufacture of a medicament for treating cardiovascular, pulmonary, respiratory, gastrointestinal, reproductive and allergic diseases and shock in a human.
27. A compound of the formula I, II. III, IV or IV as defined in any one of claims 14 to 20 and 22 or a compound as defined in any one of claims 21, 23, and 24 for use in the treatment of ocular hypertension.
28. The use of a compound of the formula I, II, III, IV or IV as defined in any one of Claims 14 to 20 and 22 or a compound as defined in anyone of claims 21, 23 and 24 for the manufacture of a medicament for the treatment of ocular hypertension.
29. Cyclopentane N-ethyl heptene amide-5-cis-2-(3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.]
30. Use of cyclopentane N-ethyl heptene amide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.] for treating glaucoma and/or ocular hypertension.
31. Use of cyclopentane N-ethyl heptene amide-5-cis-2- (3-.alpha.hydroxy-5-phenyl-1-trans-pentenyl)-3, 5 dihydroxy, [1.alpha., 2.beta., 3.alpha., 5.alpha.] in the manufacture of a medicament for treating glaucoma and/or ocular hypertension.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US07/948,056 US5352708A (en) | 1992-09-21 | 1992-09-21 | Non-acidic cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents |
US07/948,056 | 1992-09-21 | ||
PCT/US1993/008472 WO1994006433A1 (en) | 1992-09-21 | 1993-09-09 | Non-acidic cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents |
Publications (2)
Publication Number | Publication Date |
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CA2144967A1 CA2144967A1 (en) | 1994-03-31 |
CA2144967C true CA2144967C (en) | 2003-11-11 |
Family
ID=25487188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CA002144967A Expired - Lifetime CA2144967C (en) | 1992-09-21 | 1993-09-09 | Non-acidic cyclopentane heptanoic acid, 2-cycloalkyl or arylalkyl derivatives as therapeutic agents |
Country Status (13)
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US (2) | US5352708A (en) |
EP (1) | EP0660716B1 (en) |
JP (3) | JP3681068B2 (en) |
AT (1) | ATE209494T1 (en) |
AU (1) | AU676492B2 (en) |
CA (1) | CA2144967C (en) |
DE (2) | DE69331233C5 (en) |
DK (1) | DK0660716T3 (en) |
ES (1) | ES2166364T3 (en) |
LU (1) | LU90957I2 (en) |
NL (1) | NL300099I2 (en) |
PT (1) | PT660716E (en) |
WO (1) | WO1994006433A1 (en) |
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-
1992
- 1992-09-21 US US07/948,056 patent/US5352708A/en not_active Expired - Lifetime
-
1993
- 1993-09-09 DK DK93921435T patent/DK0660716T3/en active
- 1993-09-09 DE DE69331233.5T patent/DE69331233C5/en not_active Expired - Lifetime
- 1993-09-09 JP JP50815594A patent/JP3681068B2/en not_active Expired - Lifetime
- 1993-09-09 EP EP93921435A patent/EP0660716B1/en not_active Expired - Lifetime
- 1993-09-09 AT AT93921435T patent/ATE209494T1/en active
- 1993-09-09 ES ES93921435T patent/ES2166364T3/en not_active Expired - Lifetime
- 1993-09-09 DE DE2002199037 patent/DE10299037I2/en active Active
- 1993-09-09 WO PCT/US1993/008472 patent/WO1994006433A1/en active IP Right Grant
- 1993-09-09 AU AU48526/93A patent/AU676492B2/en not_active Expired
- 1993-09-09 CA CA002144967A patent/CA2144967C/en not_active Expired - Lifetime
- 1993-09-09 PT PT93921435T patent/PT660716E/en unknown
-
1995
- 1995-01-11 US US08/371,339 patent/US5607978A/en not_active Expired - Lifetime
-
2002
- 2002-09-04 LU LU90957C patent/LU90957I2/en unknown
- 2002-09-05 NL NL300099C patent/NL300099I2/en unknown
-
2004
- 2004-07-08 JP JP2004201577A patent/JP2004346080A/en not_active Withdrawn
-
2010
- 2010-12-02 JP JP2010269407A patent/JP2011052014A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP3681068B2 (en) | 2005-08-10 |
ES2166364T3 (en) | 2002-04-16 |
DE69331233T2 (en) | 2002-06-27 |
CA2144967A1 (en) | 1994-03-31 |
ATE209494T1 (en) | 2001-12-15 |
JP2004346080A (en) | 2004-12-09 |
WO1994006433A1 (en) | 1994-03-31 |
US5607978A (en) | 1997-03-04 |
EP0660716A1 (en) | 1995-07-05 |
DE10299037I1 (en) | 2003-02-20 |
EP0660716B1 (en) | 2001-11-28 |
AU4852693A (en) | 1994-04-12 |
DE10299037I2 (en) | 2004-09-23 |
DE69331233D1 (en) | 2002-01-10 |
NL300099I1 (en) | 2002-11-01 |
AU676492B2 (en) | 1997-03-13 |
US5352708A (en) | 1994-10-04 |
NL300099I2 (en) | 2003-03-01 |
JPH08501310A (en) | 1996-02-13 |
DE69331233C5 (en) | 2014-06-18 |
LU90957I2 (en) | 2003-04-30 |
JP2011052014A (en) | 2011-03-17 |
PT660716E (en) | 2002-05-31 |
DK0660716T3 (en) | 2002-04-02 |
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